12971180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2411}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 27352080

約数和(自身を除く): 14380900

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2411, 2690, 4822, 5380, 9644, 12055, 24110, 48220, 648559, 1297118, 2594236, 3242795, 6485590, 12971180]

約数ペア:

[(1, 12971180), (2, 6485590), (4, 3242795), (5, 2594236), (10, 1297118), (20, 648559), (269, 48220), (538, 24110), (1076, 12055), (1345, 9644), (2411, 5380), (2690, 4822)]