8768020

素因数分解:

$2^2\times 5^1\times {\mathrm{438401}}^1$

素因数の和:438410

約数の個数: 12

約数和(自身を含む): 18412884

約数和(自身を除く): 9644864

約数列:

[1, 2, 4, 5, 10, 20, 438401, 876802, 1753604, 2192005, 4384010, 8768020]

約数ペア:

[(1, 8768020), (2, 4384010), (4, 2192005), (5, 1753604), (10, 876802), (20, 438401)]