Q: What is the sum of all factors of the number 192,640 excluding 192,640?

A: 345,920

Why is 345,920 the sum of all factors of 192,640, excluding 192,640?

The factors of the number 192,640 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1120, 1204, 1376, 1505, 1720, 2240, 2408, 2752, 3010, 3440, 4480, 4816, 5504, 6020, 6880, 9632, 12040, 13760, 19264, 24080, 27520, 38528, 48160, 96320, 192640.

If you add them up, you will get the total of 192,985. Now subtract 192,640 to get 345,920