15391280

素因数分解:

$2^4\times 5^1\times {\mathrm{192391}}^1$

素因数の和:192404

約数の個数: 20

約数和(自身を含む): 35784912

約数和(自身を除く): 20393632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 192391, 384782, 769564, 961955, 1539128, 1923910, 3078256, 3847820, 7695640, 15391280]

約数ペア:

[(1, 15391280), (2, 7695640), (4, 3847820), (5, 3078256), (8, 1923910), (10, 1539128), (16, 961955), (20, 769564), (40, 384782), (80, 192391)]