4047280

素因数分解:

$2^4\times 5^1\times {\mathrm{50591}}^1$

素因数の和:50604

約数の個数: 20

約数和(自身を含む): 9410112

約数和(自身を除く): 5362832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50591, 101182, 202364, 252955, 404728, 505910, 809456, 1011820, 2023640, 4047280]

約数ペア:

[(1, 4047280), (2, 2023640), (4, 1011820), (5, 809456), (8, 505910), (10, 404728), (16, 252955), (20, 202364), (40, 101182), (80, 50591)]