387374480

素因数分解:

$2^4\times 5^1\times {\mathrm{4842181}}^1$

素因数の和:4842194

約数の個数: 20

約数和(自身を含む): 900645852

約数和(自身を除く): 513271372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4842181, 9684362, 19368724, 24210905, 38737448, 48421810, 77474896, 96843620, 193687240, 387374480]

約数ペア:

[(1, 387374480), (2, 193687240), (4, 96843620), (5, 77474896), (8, 48421810), (10, 38737448), (16, 24210905), (20, 19368724), (40, 9684362), (80, 4842181)]