Q: What is the sum of all factors of the number 45,640 excluding 45,640?
A: 72,440
The factors of the number 45,640 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 11410, 22820, 45640.
If you add them up, you will get the total of 45,712. Now subtract 45,640 to get 72,440