39580280

素因数分解:

$2^3\times 5^1\times {\mathrm{989507}}^1$

素因数の和:989518

約数の個数: 16

約数和(自身を含む): 89055720

約数和(自身を除く): 49475440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 989507, 1979014, 3958028, 4947535, 7916056, 9895070, 19790140, 39580280]

約数ペア:

[(1, 39580280), (2, 19790140), (4, 9895070), (5, 7916056), (8, 4947535), (10, 3958028), (20, 1979014), (40, 989507)]