Q: What is the sum of all factors of the number 64,040 excluding 64,040?
A: 80,140
The factors of the number 64,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 1601, 3202, 6404, 8005, 12808, 16010, 32020, 64040.
If you add them up, you will get the total of 64,120. Now subtract 64,040 to get 80,140