Similar problems are: https://www.mathworks.com/matlabcentral/cody/problems/42791-number-of-divisors-of-a-given-number
For n=64, wouldn't the correct answer be 6, since 64 itself is also even? If you're not counting the number itself as a divisor, then the answers above for n=14 and n=68 would be incorrect.
Swap the first and last columns
Volume of a sphere given its surface area
Append two matrix as shown below example
BASICS - sum part of vector
Fractal: area and perimeter of Koch snowflake
Smallest n, for n! to have m trailing zero digits
Under the sea: Snell's law & total internal reflection
The number of trailing zero digit of a factorial
Equal temperament - musical notes and frequency
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