131472280

素因数分解:

$2^3\times 5^1\times {\mathrm{3286807}}^1$

素因数の和:3286818

約数の個数: 16

約数和(自身を含む): 295812720

約数和(自身を除く): 164340440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3286807, 6573614, 13147228, 16434035, 26294456, 32868070, 65736140, 131472280]

約数ペア:

[(1, 131472280), (2, 65736140), (4, 32868070), (5, 26294456), (8, 16434035), (10, 13147228), (20, 6573614), (40, 3286807)]