123478660

素因数分解:

$2^2\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{2593}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 259514136

約数和(自身を除く): 136035476

約数列:

[1, 2, 4, 5, 10, 20, 2381, 2593, 4762, 5186, 9524, 10372, 11905, 12965, 23810, 25930, 47620, 51860, 6173933, 12347866, 24695732, 30869665, 61739330, 123478660]

約数ペア:

[(1, 123478660), (2, 61739330), (4, 30869665), (5, 24695732), (10, 12347866), (20, 6173933), (2381, 51860), (2593, 47620), (4762, 25930), (5186, 23810), (9524, 12965), (10372, 11905)]