9897620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2591}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 20901888

約数和(自身を除く): 11004268

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 2591, 3820, 5182, 10364, 12955, 25910, 51820, 494881, 989762, 1979524, 2474405, 4948810, 9897620]

約数ペア:

[(1, 9897620), (2, 4948810), (4, 2474405), (5, 1979524), (10, 989762), (20, 494881), (191, 51820), (382, 25910), (764, 12955), (955, 10364), (1910, 5182), (2591, 3820)]