66470260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77291}}^1$

素因数の和:77343

約数の個数: 24

約数和(自身を含む): 142835616

約数和(自身を除く): 76365356

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 77291, 154582, 309164, 386455, 772910, 1545820, 3323513, 6647026, 13294052, 16617565, 33235130, 66470260]

約数ペア:

[(1, 66470260), (2, 33235130), (4, 16617565), (5, 13294052), (10, 6647026), (20, 3323513), (43, 1545820), (86, 772910), (172, 386455), (215, 309164), (430, 154582), (860, 77291)]