15831140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60889}}^1$

素因数の和:60911

約数の個数: 24

約数和(自身を含む): 35803320

約数和(自身を除く): 19972180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60889, 121778, 243556, 304445, 608890, 791557, 1217780, 1583114, 3166228, 3957785, 7915570, 15831140]

約数ペア:

[(1, 15831140), (2, 7915570), (4, 3957785), (5, 3166228), (10, 1583114), (13, 1217780), (20, 791557), (26, 608890), (52, 304445), (65, 243556), (130, 121778), (260, 60889)]