Q: What is the sum of all factors of the number 80,040 excluding 80,040?

A: 179,160

Why is 179,160 the sum of all factors of 80,040, excluding 80,040?

The factors of the number 80,040 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 1160, 1334, 1380, 1740, 2001, 2668, 2760, 3335, 3480, 4002, 5336, 6670, 8004, 10005, 13340, 16008, 20010, 26680, 40020, 80040.

If you add them up, you will get the total of 80,219. Now subtract 80,040 to get 179,160