127985840

素因数分解:

$2^4\times 5^1\times {\mathrm{1599823}}^1$

素因数の和:1599836

約数の個数: 20

約数和(自身を含む): 297567264

約数和(自身を除く): 169581424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1599823, 3199646, 6399292, 7999115, 12798584, 15998230, 25597168, 31996460, 63992920, 127985840]

約数ペア:

[(1, 127985840), (2, 63992920), (4, 31996460), (5, 25597168), (8, 15998230), (10, 12798584), (16, 7999115), (20, 6399292), (40, 3199646), (80, 1599823)]