200502100

素因数分解:

$2^2\times 5^2\times {\mathrm{2005021}}^1$

素因数の和:2005035

約数の個数: 18

約数和(自身を含む): 435089774

約数和(自身を除く): 234587674

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2005021, 4010042, 8020084, 10025105, 20050210, 40100420, 50125525, 100251050, 200502100]

約数ペア:

[(1, 200502100), (2, 100251050), (4, 50125525), (5, 40100420), (10, 20050210), (20, 10025105), (25, 8020084), (50, 4010042), (100, 2005021)]