26682620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21871}}^1$

素因数の和:21941

約数の個数: 24

約数和(自身を含む): 56954688

約数和(自身を除く): 30272068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21871, 43742, 87484, 109355, 218710, 437420, 1334131, 2668262, 5336524, 6670655, 13341310, 26682620]

約数ペア:

[(1, 26682620), (2, 13341310), (4, 6670655), (5, 5336524), (10, 2668262), (20, 1334131), (61, 437420), (122, 218710), (244, 109355), (305, 87484), (610, 43742), (1220, 21871)]