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.
Project Euler: Problem 2, Sum of even Fibonacci
Bottles of beer
Sum of first n terms of a harmonic progression
Find last zero for each column
Number of paths on a 3d grid
Smallest n, for n! to have m trailing zero digits
The number of trailing zero digit of a factorial
Number of paths on a n-dimensional grid
Make a rainbow matrix (follow-up to checkerboard matrix)
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