51381620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{88589}}^1$

素因数の和:88627

約数の個数: 24

約数和(自身を含む): 111623400

約数和(自身を除く): 60241780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 88589, 177178, 354356, 442945, 885890, 1771780, 2569081, 5138162, 10276324, 12845405, 25690810, 51381620]

約数ペア:

[(1, 51381620), (2, 25690810), (4, 12845405), (5, 10276324), (10, 5138162), (20, 2569081), (29, 1771780), (58, 885890), (116, 442945), (145, 354356), (290, 177178), (580, 88589)]