Q: What is the sum of all factors of the number 65,640 excluding 65,640?
A: 131,640
The factors of the number 65,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 547, 1094, 1641, 2188, 2735, 3282, 4376, 5470, 6564, 8205, 10940, 13128, 16410, 21880, 32820, 65640.
If you add them up, you will get the total of 65,771. Now subtract 65,640 to get 131,640