40818160

素因数分解:

$2^4\times 5^1\times {\mathrm{510227}}^1$

素因数の和:510240

約数の個数: 20

約数和(自身を含む): 94902408

約数和(自身を除く): 54084248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510227, 1020454, 2040908, 2551135, 4081816, 5102270, 8163632, 10204540, 20409080, 40818160]

約数ペア:

[(1, 40818160), (2, 20409080), (4, 10204540), (5, 8163632), (8, 5102270), (10, 4081816), (16, 2551135), (20, 2040908), (40, 1020454), (80, 510227)]