166626440

素因数分解:

$2^3\times 5^1\times {\mathrm{4165661}}^1$

素因数の和:4165672

約数の個数: 16

約数和(自身を含む): 374909580

約数和(自身を除く): 208283140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4165661, 8331322, 16662644, 20828305, 33325288, 41656610, 83313220, 166626440]

約数ペア:

[(1, 166626440), (2, 83313220), (4, 41656610), (5, 33325288), (8, 20828305), (10, 16662644), (20, 8331322), (40, 4165661)]