42500180

素因数分解:

$2^2\times 5^1\times {\mathrm{2125009}}^1$

素因数の和:2125018

約数の個数: 12

約数和(自身を含む): 89250420

約数和(自身を除く): 46750240

約数列:

[1, 2, 4, 5, 10, 20, 2125009, 4250018, 8500036, 10625045, 21250090, 42500180]

約数ペア:

[(1, 42500180), (2, 21250090), (4, 10625045), (5, 8500036), (10, 4250018), (20, 2125009)]