160180180

素因数分解:

$2^2\times 5^1\times {\mathrm{8009009}}^1$

素因数の和:8009018

約数の個数: 12

約数和(自身を含む): 336378420

約数和(自身を除く): 176198240

約数列:

[1, 2, 4, 5, 10, 20, 8009009, 16018018, 32036036, 40045045, 80090090, 160180180]

約数ペア:

[(1, 160180180), (2, 80090090), (4, 40045045), (5, 32036036), (10, 16018018), (20, 8009009)]