31017620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36067}}^1$

素因数の和:36119

約数の個数: 24

約数和(自身を含む): 66653664

約数和(自身を除く): 35636044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 36067, 72134, 144268, 180335, 360670, 721340, 1550881, 3101762, 6203524, 7754405, 15508810, 31017620]

約数ペア:

[(1, 31017620), (2, 15508810), (4, 7754405), (5, 6203524), (10, 3101762), (20, 1550881), (43, 721340), (86, 360670), (172, 180335), (215, 144268), (430, 72134), (860, 36067)]