3920170180

素因数分解:

$2^2\times 5^1\times {\mathrm{196008509}}^1$

素因数の和:196008518

約数の個数: 12

約数和(自身を含む): 8232357420

約数和(自身を除く): 4312187240

約数列:

[1, 2, 4, 5, 10, 20, 196008509, 392017018, 784034036, 980042545, 1960085090, 3920170180]

約数ペア:

[(1, 3920170180), (2, 1960085090), (4, 980042545), (5, 784034036), (10, 392017018), (20, 196008509)]