Q: What is the sum of all factors of the number 65,071,640 excluding 65,071,640?
A: 81,339,640
The factors of the number 65,071,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 1626791, 3253582, 6507164, 8133955, 13014328, 16267910, 32535820, 65071640.
If you add them up, you will get the total of 65,071,721. Now subtract 65,071,640 to get 81,339,640