172016020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71081}}^1$

素因数の和:71112

約数の個数: 36

約数和(自身を含む): 397064052

約数和(自身を除く): 225048032

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 71081, 142162, 284324, 355405, 710810, 781891, 1421620, 1563782, 3127564, 3909455, 7818910, 8600801, 15637820, 17201602, 34403204, 43004005, 86008010, 172016020]

約数ペア:

[(1, 172016020), (2, 86008010), (4, 43004005), (5, 34403204), (10, 17201602), (11, 15637820), (20, 8600801), (22, 7818910), (44, 3909455), (55, 3127564), (110, 1563782), (121, 1421620), (220, 781891), (242, 710810), (484, 355405), (605, 284324), (1210, 142162), (2420, 71081)]