Q: What is the sum of all factors of the number 51,200 excluding 51,200?

Why is 75,745 the sum of all factors of 51,200, excluding 51,200?

The factors of the number 51,200 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 5120, 6400, 10240, 12800, 25600, 51200.

If you add them up, you will get the total of 51,275. Now subtract 51,200 to get 75,745

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