11489740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4133}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 24307920

約数和(自身を除く): 12818180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4133, 8266, 16532, 20665, 41330, 82660, 574487, 1148974, 2297948, 2872435, 5744870, 11489740]

約数ペア:

[(1, 11489740), (2, 5744870), (4, 2872435), (5, 2297948), (10, 1148974), (20, 574487), (139, 82660), (278, 41330), (556, 20665), (695, 16532), (1390, 8266), (2780, 4133)]