Q: What is the sum of all factors of the number 165,920 excluding 165,920?

A: 255,928

Why is 255,928 the sum of all factors of 165,920, excluding 165,920?

The factors of the number 165,920 are: 1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 160, 170, 244, 272, 305, 340, 488, 544, 610, 680, 976, 1037, 1220, 1360, 1952, 2074, 2440, 2720, 4148, 4880, 5185, 8296, 9760, 10370, 16592, 20740, 33184, 41480, 82960, 165920.

If you add them up, you will get the total of 166,175. Now subtract 165,920 to get 255,928