3970160

素因数分解:

$2^4\times 5^1\times {\mathrm{49627}}^1$

素因数の和:49640

約数の個数: 20

約数和(自身を含む): 9230808

約数和(自身を除く): 5260648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49627, 99254, 198508, 248135, 397016, 496270, 794032, 992540, 1985080, 3970160]

約数ペア:

[(1, 3970160), (2, 1985080), (4, 992540), (5, 794032), (8, 496270), (10, 397016), (16, 248135), (20, 198508), (40, 99254), (80, 49627)]