12826280

素因数分解:

$2^3\times 5^1\times {\mathrm{320657}}^1$

素因数の和:320668

約数の個数: 16

約数和(自身を含む): 28859220

約数和(自身を除く): 16032940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 320657, 641314, 1282628, 1603285, 2565256, 3206570, 6413140, 12826280]

約数ペア:

[(1, 12826280), (2, 6413140), (4, 3206570), (5, 2565256), (8, 1603285), (10, 1282628), (20, 641314), (40, 320657)]