8345840

素因数分解:

$2^4\times 5^1\times {\mathrm{104323}}^1$

素因数の和:104336

約数の個数: 20

約数和(自身を含む): 19404264

約数和(自身を除く): 11058424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104323, 208646, 417292, 521615, 834584, 1043230, 1669168, 2086460, 4172920, 8345840]

約数ペア:

[(1, 8345840), (2, 4172920), (4, 2086460), (5, 1669168), (8, 1043230), (10, 834584), (16, 521615), (20, 417292), (40, 208646), (80, 104323)]