201120100

素因数分解:

$2^2\times 5^2\times {\mathrm{2011201}}^1$

素因数の和:2011215

約数の個数: 18

約数和(自身を含む): 436430834

約数和(自身を除く): 235310734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2011201, 4022402, 8044804, 10056005, 20112010, 40224020, 50280025, 100560050, 201120100]

約数ペア:

[(1, 201120100), (2, 100560050), (4, 50280025), (5, 40224020), (10, 20112010), (20, 10056005), (25, 8044804), (50, 4022402), (100, 2011201)]