Q: What is the sum of all factors of the number 66,680 excluding 66,680?
A: 83,440
The factors of the number 66,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 1667, 3334, 6668, 8335, 13336, 16670, 33340, 66680.
If you add them up, you will get the total of 66,763. Now subtract 66,680 to get 83,440