Inspired by Problem 1025 and Project Euler 12.
Given n, return the number y of integers that divide N.
For example, with n = 10, the divisors are [1 2 5 10], so y = 4.
It's easy with normal integer but how to proceed with big number?
Clean the List of Names
Getting logical indexes
Divisible by 4
Find my secret number
Replicate elements in vectors
Rank of magic square (for beginners)
Pandigital number n°1 (Inspired by Project Euler 32)
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