39799880

素因数分解:

$2^3\times 5^1\times {\mathrm{994997}}^1$

素因数の和:995008

約数の個数: 16

約数和(自身を含む): 89549820

約数和(自身を除く): 49749940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 994997, 1989994, 3979988, 4974985, 7959976, 9949970, 19899940, 39799880]

約数ペア:

[(1, 39799880), (2, 19899940), (4, 9949970), (5, 7959976), (8, 4974985), (10, 3979988), (20, 1989994), (40, 994997)]