1042040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 2376000

約数和(自身を除く): 1333960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 239, 436, 478, 545, 872, 956, 1090, 1195, 1912, 2180, 2390, 4360, 4780, 9560, 26051, 52102, 104204, 130255, 208408, 260510, 521020, 1042040]

約数ペア:

[(1, 1042040), (2, 521020), (4, 260510), (5, 208408), (8, 130255), (10, 104204), (20, 52102), (40, 26051), (109, 9560), (218, 4780), (239, 4360), (436, 2390), (478, 2180), (545, 1912), (872, 1195), (956, 1090)]