Q: What is the sum of all factors of the number 402,040 excluding 402,040?

A: 593,360

Why is 593,360 the sum of all factors of 402,040, excluding 402,040?

The factors of the number 402,040 are: 1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 529, 760, 874, 920, 1058, 1748, 2116, 2185, 2645, 3496, 4232, 4370, 5290, 8740, 10051, 10580, 17480, 20102, 21160, 40204, 50255, 80408, 100510, 201020, 402040.

If you add them up, you will get the total of 402,633. Now subtract 402,040 to get 593,360