42264440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25771}}^1$

素因数の和:25823

約数の個数: 32

約数和(自身を含む): 97418160

約数和(自身を除く): 55153720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25771, 51542, 103084, 128855, 206168, 257710, 515420, 1030840, 1056611, 2113222, 4226444, 5283055, 8452888, 10566110, 21132220, 42264440]

約数ペア:

[(1, 42264440), (2, 21132220), (4, 10566110), (5, 8452888), (8, 5283055), (10, 4226444), (20, 2113222), (40, 1056611), (41, 1030840), (82, 515420), (164, 257710), (205, 206168), (328, 128855), (410, 103084), (820, 51542), (1640, 25771)]