308080

素因数分解:

$2^4\times 5^1\times {\mathrm{3851}}^1$

素因数の和:3864

約数の個数: 20

約数和(自身を含む): 716472

約数和(自身を除く): 408392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3851, 7702, 15404, 19255, 30808, 38510, 61616, 77020, 154040, 308080]

約数ペア:

[(1, 308080), (2, 154040), (4, 77020), (5, 61616), (8, 38510), (10, 30808), (16, 19255), (20, 15404), (40, 7702), (80, 3851)]