40172180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5009}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 84588840

約数和(自身を除く): 44416660

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 5009, 8020, 10018, 20036, 25045, 50090, 100180, 2008609, 4017218, 8034436, 10043045, 20086090, 40172180]

約数ペア:

[(1, 40172180), (2, 20086090), (4, 10043045), (5, 8034436), (10, 4017218), (20, 2008609), (401, 100180), (802, 50090), (1604, 25045), (2005, 20036), (4010, 10018), (5009, 8020)]