Q: What is the sum of all factors of the number 13,288,960 excluding 13,288,960?

 A: 19,856,240

Why is 19,856,240 the sum of all factors of 13,288,960, excluding 13,288,960?

The factors of the number 13,288,960 are: 1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 179, 232, 256, 290, 320, 358, 464, 512, 580, 640, 716, 895, 928, 1160, 1280, 1432, 1790, 1856, 2320, 2560, 2864, 3580, 3712, 4640, 5191, 5728, 7160, 7424, 9280, 10382, 11456, 14320, 14848, 18560, 20764, 22912, 25955, 28640, 37120, 41528, 45824, 51910, 57280, 74240, 83056, 91648, 103820, 114560, 166112, 207640, 229120, 332224, 415280, 458240, 664448, 830560, 1328896, 1661120, 2657792, 3322240, 6644480, 13288960.

If you add them up, you will get the total of 13,288,979. Now subtract 13,288,960 to get 19,856,240


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