12546440

素因数分解:

$2^3\times 5^1\times {\mathrm{313661}}^1$

素因数の和:313672

約数の個数: 16

約数和(自身を含む): 28229580

約数和(自身を除く): 15683140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313661, 627322, 1254644, 1568305, 2509288, 3136610, 6273220, 12546440]

約数ペア:

[(1, 12546440), (2, 6273220), (4, 3136610), (5, 2509288), (8, 1568305), (10, 1254644), (20, 627322), (40, 313661)]