40397080

素因数分解:

$2^3\times 5^1\times {\mathrm{1009927}}^1$

素因数の和:1009938

約数の個数: 16

約数和(自身を含む): 90893520

約数和(自身を除く): 50496440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009927, 2019854, 4039708, 5049635, 8079416, 10099270, 20198540, 40397080]

約数ペア:

[(1, 40397080), (2, 20198540), (4, 10099270), (5, 8079416), (8, 5049635), (10, 4039708), (20, 2019854), (40, 1009927)]