12981340

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1499}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 27342000

約数和(自身を除く): 14360660

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1499, 1732, 2165, 2998, 4330, 5996, 7495, 8660, 14990, 29980, 649067, 1298134, 2596268, 3245335, 6490670, 12981340]

約数ペア:

[(1, 12981340), (2, 6490670), (4, 3245335), (5, 2596268), (10, 1298134), (20, 649067), (433, 29980), (866, 14990), (1499, 8660), (1732, 7495), (2165, 5996), (2998, 4330)]