12328420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47417}}^1$

素因数の和:47439

約数の個数: 24

約数和(自身を含む): 27881784

約数和(自身を除く): 15553364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47417, 94834, 189668, 237085, 474170, 616421, 948340, 1232842, 2465684, 3082105, 6164210, 12328420]

約数ペア:

[(1, 12328420), (2, 6164210), (4, 3082105), (5, 2465684), (10, 1232842), (13, 948340), (20, 616421), (26, 474170), (52, 237085), (65, 189668), (130, 94834), (260, 47417)]