Q: What is the sum of all factors of the number 1,020,400 excluding 1,020,400?
A: 1,432,072
The factors of the number 1,020,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2551, 5102, 10204, 12755, 20408, 25510, 40816, 51020, 63775, 102040, 127550, 204080, 255100, 510200, 1020400.
If you add them up, you will get the total of 1,020,401. Now subtract 1,020,400 to get 1,432,072