15939080

素因数分解:

$2^3\times 5^1\times {\mathrm{398477}}^1$

素因数の和:398488

約数の個数: 16

約数和(自身を含む): 35863020

約数和(自身を除く): 19923940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 398477, 796954, 1593908, 1992385, 3187816, 3984770, 7969540, 15939080]

約数ペア:

[(1, 15939080), (2, 7969540), (4, 3984770), (5, 3187816), (8, 1992385), (10, 1593908), (20, 796954), (40, 398477)]