65386660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{76031}}^1$

素因数の和:76083

約数の個数: 24

約数和(自身を含む): 140507136

約数和(自身を除く): 75120476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 76031, 152062, 304124, 380155, 760310, 1520620, 3269333, 6538666, 13077332, 16346665, 32693330, 65386660]

約数ペア:

[(1, 65386660), (2, 32693330), (4, 16346665), (5, 13077332), (10, 6538666), (20, 3269333), (43, 1520620), (86, 760310), (172, 380155), (215, 304124), (430, 152062), (860, 76031)]