Q: What is the sum of all factors of the number 2,647,640 excluding 2,647,640?
A: 3,309,640
The factors of the number 2,647,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 66191, 132382, 264764, 330955, 529528, 661910, 1323820, 2647640.
If you add them up, you will get the total of 2,647,643. Now subtract 2,647,640 to get 3,309,640