557586440

素因数分解:

$2^3\times 5^1\times {\mathrm{13939661}}^1$

素因数の和:13939672

約数の個数: 16

約数和(自身を含む): 1254569580

約数和(自身を除く): 696983140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13939661, 27879322, 55758644, 69698305, 111517288, 139396610, 278793220, 557586440]

約数ペア:

[(1, 557586440), (2, 278793220), (4, 139396610), (5, 111517288), (8, 69698305), (10, 55758644), (20, 27879322), (40, 13939661)]