Q: What is the sum of all factors of the number 54,640 excluding 54,640?
A: 72,584
The factors of the number 54,640 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1366, 2732, 3415, 5464, 6830, 10928, 13660, 27320, 54640.
If you add them up, you will get the total of 54,712. Now subtract 54,640 to get 72,584