15426440

素因数分解:

$2^3\times 5^1\times {\mathrm{385661}}^1$

素因数の和:385672

約数の個数: 16

約数和(自身を含む): 34709580

約数和(自身を除く): 19283140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385661, 771322, 1542644, 1928305, 3085288, 3856610, 7713220, 15426440]

約数ペア:

[(1, 15426440), (2, 7713220), (4, 3856610), (5, 3085288), (8, 1928305), (10, 1542644), (20, 771322), (40, 385661)]