12444740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8108

約数の個数: 48

約数和(自身を含む): 32586624

約数和(自身を除く): 20141884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8081, 16162, 32324, 40405, 56567, 80810, 88891, 113134, 161620, 177782, 226268, 282835, 355564, 444455, 565670, 622237, 888910, 1131340, 1244474, 1777820, 2488948, 3111185, 6222370, 12444740]

約数ペア:

[(1, 12444740), (2, 6222370), (4, 3111185), (5, 2488948), (7, 1777820), (10, 1244474), (11, 1131340), (14, 888910), (20, 622237), (22, 565670), (28, 444455), (35, 355564), (44, 282835), (55, 226268), (70, 177782), (77, 161620), (110, 113134), (140, 88891), (154, 80810), (220, 56567), (308, 40405), (385, 32324), (770, 16162), (1540, 8081)]