30819820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35837}}^1$

素因数の和:35889

約数の個数: 24

約数和(自身を含む): 66228624

約数和(自身を除く): 35408804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 35837, 71674, 143348, 179185, 358370, 716740, 1540991, 3081982, 6163964, 7704955, 15409910, 30819820]

約数ペア:

[(1, 30819820), (2, 15409910), (4, 7704955), (5, 6163964), (10, 3081982), (20, 1540991), (43, 716740), (86, 358370), (172, 179185), (215, 143348), (430, 71674), (860, 35837)]