Q: What is the sum of all factors of the number 508,640 excluding 508,640?

A: 883,912

Why is 883,912 the sum of all factors of 508,640, excluding 508,640?

The factors of the number 508,640 are: 1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 289, 340, 352, 374, 440, 544, 578, 680, 748, 880, 935, 1156, 1360, 1445, 1496, 1760, 1870, 2312, 2720, 2890, 2992, 3179, 3740, 4624, 5780, 5984, 6358, 7480, 9248, 11560, 12716, 14960, 15895, 23120, 25432, 29920, 31790, 46240, 50864, 63580, 101728, 127160, 254320, 508640.

If you add them up, you will get the total of 509,523. Now subtract 508,640 to get 883,912