66434140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77249}}^1$

素因数の和:77301

約数の個数: 24

約数和(自身を含む): 142758000

約数和(自身を除く): 76323860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 77249, 154498, 308996, 386245, 772490, 1544980, 3321707, 6643414, 13286828, 16608535, 33217070, 66434140]

約数ペア:

[(1, 66434140), (2, 33217070), (4, 16608535), (5, 13286828), (10, 6643414), (20, 3321707), (43, 1544980), (86, 772490), (172, 386245), (215, 308996), (430, 154498), (860, 77249)]