13207840

素因数分解:

$2^5\times 5^1\times {\mathrm{82549}}^1$

素因数の和:82564

約数の個数: 24

約数和(自身を含む): 31203900

約数和(自身を除く): 17996060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 82549, 165098, 330196, 412745, 660392, 825490, 1320784, 1650980, 2641568, 3301960, 6603920, 13207840]

約数ペア:

[(1, 13207840), (2, 6603920), (4, 3301960), (5, 2641568), (8, 1650980), (10, 1320784), (16, 825490), (20, 660392), (32, 412745), (40, 330196), (80, 165098), (160, 82549)]