9985840

素因数分解:

$2^4\times 5^1\times {\mathrm{124823}}^1$

素因数の和:124836

約数の個数: 20

約数和(自身を含む): 23217264

約数和(自身を除く): 13231424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124823, 249646, 499292, 624115, 998584, 1248230, 1997168, 2496460, 4992920, 9985840]

約数ペア:

[(1, 9985840), (2, 4992920), (4, 2496460), (5, 1997168), (8, 1248230), (10, 998584), (16, 624115), (20, 499292), (40, 249646), (80, 124823)]