Q: What is the sum of all factors of the number 1,161,680 excluding 1,161,680?

A: 1,749,592

Why is 1,749,592 the sum of all factors of 1,161,680, excluding 1,161,680?

The factors of the number 1,161,680 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1117, 2234, 4468, 5585, 8936, 11170, 14521, 17872, 22340, 29042, 44680, 58084, 72605, 89360, 116168, 145210, 232336, 290420, 580840, 1161680.

If you add them up, you will get the total of 1,161,681. Now subtract 1,161,680 to get 1,749,592