12538660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13339}}^1$

素因数の和:13395

約数の個数: 24

約数和(自身を含む): 26893440

約数和(自身を除く): 14354780

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 13339, 26678, 53356, 66695, 133390, 266780, 626933, 1253866, 2507732, 3134665, 6269330, 12538660]

約数ペア:

[(1, 12538660), (2, 6269330), (4, 3134665), (5, 2507732), (10, 1253866), (20, 626933), (47, 266780), (94, 133390), (188, 66695), (235, 53356), (470, 26678), (940, 13339)]