Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
My god...
A much faster way to calculate all divisors is to get the prime factors and find all combinations of the prime factors, then strain out the false positives. If you wanted to find all factors of 1 - 1000000 for instance, that would take several minutes the naieve way.