204161600

素因数分解:

$2^6\times 5^2\times {\mathrm{127601}}^1$

素因数の和:127623

約数の個数: 42

約数和(自身を含む): 502369074

約数和(自身を除く): 298207474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 127601, 255202, 510404, 638005, 1020808, 1276010, 2041616, 2552020, 3190025, 4083232, 5104040, 6380050, 8166464, 10208080, 12760100, 20416160, 25520200, 40832320, 51040400, 102080800, 204161600]

約数ペア:

[(1, 204161600), (2, 102080800), (4, 51040400), (5, 40832320), (8, 25520200), (10, 20416160), (16, 12760100), (20, 10208080), (25, 8166464), (32, 6380050), (40, 5104040), (50, 4083232), (64, 3190025), (80, 2552020), (100, 2041616), (160, 1276010), (200, 1020808), (320, 638005), (400, 510404), (800, 255202), (1600, 127601)]