31662280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60889}}^1$

素因数の和:60913

約数の個数: 32

約数和(自身を含む): 76721400

約数和(自身を除く): 45059120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60889, 121778, 243556, 304445, 487112, 608890, 791557, 1217780, 1583114, 2435560, 3166228, 3957785, 6332456, 7915570, 15831140, 31662280]

約数ペア:

[(1, 31662280), (2, 15831140), (4, 7915570), (5, 6332456), (8, 3957785), (10, 3166228), (13, 2435560), (20, 1583114), (26, 1217780), (40, 791557), (52, 608890), (65, 487112), (104, 304445), (130, 243556), (260, 121778), (520, 60889)]