Q: What is the sum of all factors of the number 11,640 excluding 11,640?
A: 23,640
The factors of the number 11,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640.
If you add them up, you will get the total of 11,663. Now subtract 11,640 to get 23,640