40860800

素因数分解:

$2^7\times 5^2\times {\mathrm{113}}^2$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 101840115

約数和(自身を除く): 60979315

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 128, 160, 200, 226, 320, 400, 452, 565, 640, 800, 904, 1130, 1600, 1808, 2260, 2825, 3200, 3616, 4520, 5650, 7232, 9040, 11300, 12769, 14464, 18080, 22600, 25538, 36160, 45200, 51076, 63845, 72320, 90400, 102152, 127690, 180800, 204304, 255380, 319225, 361600, 408608, 510760, 638450, 817216, 1021520, 1276900, 1634432, 2043040, 2553800, 4086080, 5107600, 8172160, 10215200, 20430400, 40860800]

約数ペア:

[(1, 40860800), (2, 20430400), (4, 10215200), (5, 8172160), (8, 5107600), (10, 4086080), (16, 2553800), (20, 2043040), (25, 1634432), (32, 1276900), (40, 1021520), (50, 817216), (64, 638450), (80, 510760), (100, 408608), (113, 361600), (128, 319225), (160, 255380), (200, 204304), (226, 180800), (320, 127690), (400, 102152), (452, 90400), (565, 72320), (640, 63845), (800, 51076), (904, 45200), (1130, 36160), (1600, 25538), (1808, 22600), (2260, 18080), (2825, 14464), (3200, 12769), (3616, 11300), (4520, 9040), (5650, 7232)]