204579560

素因数分解:

$2^3\times 5^1\times {\mathrm{5114489}}^1$

素因数の和:5114500

約数の個数: 16

約数和(自身を含む): 460304100

約数和(自身を除く): 255724540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5114489, 10228978, 20457956, 25572445, 40915912, 51144890, 102289780, 204579560]

約数ペア:

[(1, 204579560), (2, 102289780), (4, 51144890), (5, 40915912), (8, 25572445), (10, 20457956), (20, 10228978), (40, 5114489)]