180948080

素因数分解:

$2^4\times 5^1\times {\mathrm{2261851}}^1$

素因数の和:2261864

約数の個数: 20

約数和(自身を含む): 420704472

約数和(自身を除く): 239756392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2261851, 4523702, 9047404, 11309255, 18094808, 22618510, 36189616, 45237020, 90474040, 180948080]

約数ペア:

[(1, 180948080), (2, 90474040), (4, 45237020), (5, 36189616), (8, 22618510), (10, 18094808), (16, 11309255), (20, 9047404), (40, 4523702), (80, 2261851)]