12965360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3769}}^1$

素因数の和:3825

約数の個数: 40

約数和(自身を含む): 30853680

約数和(自身を除く): 17888320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3769, 7538, 15076, 18845, 30152, 37690, 60304, 75380, 150760, 162067, 301520, 324134, 648268, 810335, 1296536, 1620670, 2593072, 3241340, 6482680, 12965360]

約数ペア:

[(1, 12965360), (2, 6482680), (4, 3241340), (5, 2593072), (8, 1620670), (10, 1296536), (16, 810335), (20, 648268), (40, 324134), (43, 301520), (80, 162067), (86, 150760), (172, 75380), (215, 60304), (344, 37690), (430, 30152), (688, 18845), (860, 15076), (1720, 7538), (3440, 3769)]