66108820

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{11933}}^1$

素因数の和:12219

約数の個数: 24

約数和(自身を含む): 139341384

約数和(自身を除く): 73232564

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 11933, 23866, 47732, 59665, 119330, 238660, 3305441, 6610882, 13221764, 16527205, 33054410, 66108820]

約数ペア:

[(1, 66108820), (2, 33054410), (4, 16527205), (5, 13221764), (10, 6610882), (20, 3305441), (277, 238660), (554, 119330), (1108, 59665), (1385, 47732), (2770, 23866), (5540, 11933)]