Q: What is the sum of all factors of the number 31,287,820 excluding 31,287,820?

A: 41,324,468

Why is 41,324,468 the sum of all factors of 31,287,820, excluding 31,287,820?

The factors of the number 31,287,820 are: 1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 4001, 7820, 8002, 16004, 20005, 40010, 68017, 80020, 92023, 136034, 184046, 272068, 340085, 368092, 460115, 680170, 920230, 1360340, 1564391, 1840460, 3128782, 6257564, 7821955, 15643910, 31287820.

If you add them up, you will get the total of 31,287,861. Now subtract 31,287,820 to get 41,324,468