3985840

素因数分解:

$2^4\times 5^1\times {\mathrm{49823}}^1$

素因数の和:49836

約数の個数: 20

約数和(自身を含む): 9267264

約数和(自身を除く): 5281424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49823, 99646, 199292, 249115, 398584, 498230, 797168, 996460, 1992920, 3985840]

約数ペア:

[(1, 3985840), (2, 1992920), (4, 996460), (5, 797168), (8, 498230), (10, 398584), (16, 249115), (20, 199292), (40, 99646), (80, 49823)]