Q: What is the sum of all factors of the number 15,055,520 excluding 15,055,520?

A: 21,028,360

Why is 21,028,360 the sum of all factors of 15,055,520, excluding 15,055,520?

The factors of the number 15,055,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1289, 1460, 2336, 2578, 2920, 5156, 5840, 6445, 10312, 11680, 12890, 20624, 25780, 41248, 51560, 94097, 103120, 188194, 206240, 376388, 470485, 752776, 940970, 1505552, 1881940, 3011104, 3763880, 7527760, 15055520.

If you add them up, you will get the total of 15,055,541. Now subtract 15,055,520 to get 21,028,360