26779540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31139}}^1$

素因数の和:31191

約数の個数: 24

約数和(自身を含む): 57546720

約数和(自身を除く): 30767180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 31139, 62278, 124556, 155695, 311390, 622780, 1338977, 2677954, 5355908, 6694885, 13389770, 26779540]

約数ペア:

[(1, 26779540), (2, 13389770), (4, 6694885), (5, 5355908), (10, 2677954), (20, 1338977), (43, 622780), (86, 311390), (172, 155695), (215, 124556), (430, 62278), (860, 31139)]