Q: What is the sum of all factors of the number 31,605,220 excluding 31,605,220?

A: 38,325,788

Why is 38,325,788 the sum of all factors of 31,605,220, excluding 31,605,220?

The factors of the number 31,605,220 are: 1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 541, 635, 1082, 1270, 2164, 2540, 2705, 2921, 5410, 5842, 10820, 11684, 12443, 14605, 24886, 29210, 49772, 58420, 62215, 68707, 124430, 137414, 248860, 274828, 343535, 687070, 1374140, 1580261, 3160522, 6321044, 7901305, 15802610, 31605220.

If you add them up, you will get the total of 31,605,258. Now subtract 31,605,220 to get 38,325,788