205280200

素因数分解:

$2^3\times 5^2\times {\mathrm{1026401}}^1$

素因数の和:1026417

約数の個数: 24

約数和(自身を含む): 477276930

約数和(自身を除く): 271996730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1026401, 2052802, 4105604, 5132005, 8211208, 10264010, 20528020, 25660025, 41056040, 51320050, 102640100, 205280200]

約数ペア:

[(1, 205280200), (2, 102640100), (4, 51320050), (5, 41056040), (8, 25660025), (10, 20528020), (20, 10264010), (25, 8211208), (40, 5132005), (50, 4105604), (100, 2052802), (200, 1026401)]