Q: What is the sum of all factors of the number 9,120,980 including 9,120,980?

A: 21,059,220

Why is 21,059,220 the sum of all factors of 9,120,980, including 9,120,980?

The factors of the number 9,120,980 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3769, 7538, 15076, 18845, 37690, 41459, 75380, 82918, 165836, 207295, 414590, 456049, 829180, 912098, 1824196, 2280245, 4560490, 9120980.

If you add them up, you will get the total of 21,059,220.