27645940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 66777984

約数和(自身を除く): 39132044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1091, 1267, 1810, 2182, 2534, 3620, 4364, 5068, 5455, 6335, 7637, 10910, 12670, 15274, 21820, 25340, 30548, 38185, 76370, 152740, 197471, 394942, 789884, 987355, 1382297, 1974710, 2764594, 3949420, 5529188, 6911485, 13822970, 27645940]

約数ペア:

[(1, 27645940), (2, 13822970), (4, 6911485), (5, 5529188), (7, 3949420), (10, 2764594), (14, 1974710), (20, 1382297), (28, 987355), (35, 789884), (70, 394942), (140, 197471), (181, 152740), (362, 76370), (724, 38185), (905, 30548), (1091, 25340), (1267, 21820), (1810, 15274), (2182, 12670), (2534, 10910), (3620, 7637), (4364, 6335), (5068, 5455)]