250806020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{305861}}^1$

素因数の和:305911

約数の個数: 24

約数和(自身を含む): 539540568

約数和(自身を除く): 288734548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 305861, 611722, 1223444, 1529305, 3058610, 6117220, 12540301, 25080602, 50161204, 62701505, 125403010, 250806020]

約数ペア:

[(1, 250806020), (2, 125403010), (4, 62701505), (5, 50161204), (10, 25080602), (20, 12540301), (41, 6117220), (82, 3058610), (164, 1529305), (205, 1223444), (410, 611722), (820, 305861)]