15815692420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71889511}}^1$

素因数の和:71889531

約数の個数: 24

約数和(自身を含む): 36232314048

約数和(自身を除く): 20416621628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 71889511, 143779022, 287558044, 359447555, 718895110, 790784621, 1437790220, 1581569242, 3163138484, 3953923105, 7907846210, 15815692420]

約数ペア:

[(1, 15815692420), (2, 7907846210), (4, 3953923105), (5, 3163138484), (10, 1581569242), (11, 1437790220), (20, 790784621), (22, 718895110), (44, 359447555), (55, 287558044), (110, 143779022), (220, 71889511)]