2005180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 4254768

約数和(自身を除く): 2249588

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 937, 1070, 1874, 2140, 3748, 4685, 9370, 18740, 100259, 200518, 401036, 501295, 1002590, 2005180]

約数ペア:

[(1, 2005180), (2, 1002590), (4, 501295), (5, 401036), (10, 200518), (20, 100259), (107, 18740), (214, 9370), (428, 4685), (535, 3748), (937, 2140), (1070, 1874)]