12912013640

素因数分解:

$2^3\times 5^1\times {\mathrm{322800341}}^1$

素因数の和:322800352

約数の個数: 16

約数和(自身を含む): 29052030780

約数和(自身を除く): 16140017140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322800341, 645600682, 1291201364, 1614001705, 2582402728, 3228003410, 6456006820, 12912013640]

約数ペア:

[(1, 12912013640), (2, 6456006820), (4, 3228003410), (5, 2582402728), (8, 1614001705), (10, 1291201364), (20, 645600682), (40, 322800341)]