Q: What is the sum of all factors of the number 164,320 excluding 164,320?

A: 259,040

Why is 259,040 the sum of all factors of 164,320, excluding 164,320?

The factors of the number 164,320 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 2080, 2528, 3160, 4108, 5135, 6320, 8216, 10270, 12640, 16432, 20540, 32864, 41080, 82160, 164320.

If you add them up, you will get the total of 164,579. Now subtract 164,320 to get 259,040