129480200

素因数分解:

$2^3\times 5^2\times {\mathrm{647401}}^1$

素因数の和:647417

約数の個数: 24

約数和(自身を含む): 301041930

約数和(自身を除く): 171561730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 647401, 1294802, 2589604, 3237005, 5179208, 6474010, 12948020, 16185025, 25896040, 32370050, 64740100, 129480200]

約数ペア:

[(1, 129480200), (2, 64740100), (4, 32370050), (5, 25896040), (8, 16185025), (10, 12948020), (20, 6474010), (25, 5179208), (40, 3237005), (50, 2589604), (100, 1294802), (200, 647401)]