Q: What is the sum of all factors of the number 66,840 excluding 66,840?
A: 134,040
The factors of the number 66,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 557, 1114, 1671, 2228, 2785, 3342, 4456, 5570, 6684, 8355, 11140, 13368, 16710, 22280, 33420, 66840.
If you add them up, you will get the total of 66,974. Now subtract 66,840 to get 134,040