Q: What is the sum of all factors of the number 129,137,520 including 129,137,520?

A: 400,327,056

Why is 400,327,056 the sum of all factors of 129,137,520, including 129,137,520?

The factors of the number 129,137,520 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 538073, 1076146, 1614219, 2152292, 2690365, 3228438, 4304584, 5380730, 6456876, 8071095, 8609168, 10761460, 12913752, 16142190, 21522920, 25827504, 32284380, 43045840, 64568760, 129137520.

If you add them up, you will get the total of 400,327,056.