12651860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48661}}^1$

素因数の和:48683

約数の個数: 24

約数和(自身を含む): 28613256

約数和(自身を除く): 15961396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48661, 97322, 194644, 243305, 486610, 632593, 973220, 1265186, 2530372, 3162965, 6325930, 12651860]

約数ペア:

[(1, 12651860), (2, 6325930), (4, 3162965), (5, 2530372), (10, 1265186), (13, 973220), (20, 632593), (26, 486610), (52, 243305), (65, 194644), (130, 97322), (260, 48661)]