39770960

素因数分解:

$2^4\times 5^1\times {\mathrm{497137}}^1$

素因数の和:497150

約数の個数: 20

約数和(自身を含む): 92467668

約数和(自身を除く): 52696708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497137, 994274, 1988548, 2485685, 3977096, 4971370, 7954192, 9942740, 19885480, 39770960]

約数ペア:

[(1, 39770960), (2, 19885480), (4, 9942740), (5, 7954192), (8, 4971370), (10, 3977096), (16, 2485685), (20, 1988548), (40, 994274), (80, 497137)]