79810160

素因数分解:

$2^4\times 5^1\times {\mathrm{997627}}^1$

素因数の和:997640

約数の個数: 20

約数和(自身を含む): 185558808

約数和(自身を除く): 105748648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997627, 1995254, 3990508, 4988135, 7981016, 9976270, 15962032, 19952540, 39905080, 79810160]

約数ペア:

[(1, 79810160), (2, 39905080), (4, 19952540), (5, 15962032), (8, 9976270), (10, 7981016), (16, 4988135), (20, 3990508), (40, 1995254), (80, 997627)]