12700580

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{919}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 26738880

約数和(自身を除く): 14038300

約数列:

[1, 2, 4, 5, 10, 20, 691, 919, 1382, 1838, 2764, 3455, 3676, 4595, 6910, 9190, 13820, 18380, 635029, 1270058, 2540116, 3175145, 6350290, 12700580]

約数ペア:

[(1, 12700580), (2, 6350290), (4, 3175145), (5, 2540116), (10, 1270058), (20, 635029), (691, 18380), (919, 13820), (1382, 9190), (1838, 6910), (2764, 4595), (3455, 3676)]