16266440

素因数分解:

$2^3\times 5^1\times {\mathrm{406661}}^1$

素因数の和:406672

約数の個数: 16

約数和(自身を含む): 36599580

約数和(自身を除く): 20333140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 406661, 813322, 1626644, 2033305, 3253288, 4066610, 8133220, 16266440]

約数ペア:

[(1, 16266440), (2, 8133220), (4, 4066610), (5, 3253288), (8, 2033305), (10, 1626644), (20, 813322), (40, 406661)]