Q: What is the sum of all factors of the number 653,920 excluding 653,920?

A: 939,728

Why is 939,728 the sum of all factors of 653,920, excluding 653,920?

The factors of the number 653,920 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 67, 80, 122, 134, 160, 244, 268, 305, 335, 488, 536, 610, 670, 976, 1072, 1220, 1340, 1952, 2144, 2440, 2680, 4087, 4880, 5360, 8174, 9760, 10720, 16348, 20435, 32696, 40870, 65392, 81740, 130784, 163480, 326960, 653920.

If you add them up, you will get the total of 654,859. Now subtract 653,920 to get 939,728