40855480

素因数分解:

$2^3\times 5^1\times {\mathrm{1021387}}^1$

素因数の和:1021398

約数の個数: 16

約数和(自身を含む): 91924920

約数和(自身を除く): 51069440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021387, 2042774, 4085548, 5106935, 8171096, 10213870, 20427740, 40855480]

約数ペア:

[(1, 40855480), (2, 20427740), (4, 10213870), (5, 8171096), (8, 5106935), (10, 4085548), (20, 2042774), (40, 1021387)]