Q: What is the sum of all factors of the number 129,921,640 excluding 129,921,640?
A: 162,402,140
The factors of the number 129,921,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 3248041, 6496082, 12992164, 16240205, 25984328, 32480410, 64960820, 129921640.
If you add them up, you will get the total of 129,921,802. Now subtract 129,921,640 to get 162,402,140