Q: What is the sum of all factors of the number 72,307,640 excluding 72,307,640?
A: 90,384,640
The factors of the number 72,307,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 1807691, 3615382, 7230764, 9038455, 14461528, 18076910, 36153820, 72307640.
If you add them up, you will get the total of 72,307,730. Now subtract 72,307,640 to get 90,384,640