205656040

素因数分解:

$2^3\times 5^1\times {\mathrm{5141401}}^1$

素因数の和:5141412

約数の個数: 16

約数和(自身を含む): 462726180

約数和(自身を除く): 257070140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5141401, 10282802, 20565604, 25707005, 41131208, 51414010, 102828020, 205656040]

約数ペア:

[(1, 205656040), (2, 102828020), (4, 51414010), (5, 41131208), (8, 25707005), (10, 20565604), (20, 10282802), (40, 5141401)]