Q: What is the sum of all factors of the number 2,657,680 excluding 2,657,680?

A: 3,591,920

Why is 3,591,920 the sum of all factors of 2,657,680, excluding 2,657,680?

The factors of the number 2,657,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 239, 278, 478, 556, 695, 956, 1112, 1195, 1390, 1912, 2224, 2390, 2780, 3824, 4780, 5560, 9560, 11120, 19120, 33221, 66442, 132884, 166105, 265768, 332210, 531536, 664420, 1328840, 2657680.

If you add them up, you will get the total of 2,657,683. Now subtract 2,657,680 to get 3,591,920