7889258180

素因数分解:

$2^2\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{144439}}^1$

素因数の和:147179

約数の個数: 24

約数和(自身を含む): 16573623360

約数和(自身を除く): 8684365180

約数列:

[1, 2, 4, 5, 10, 20, 2731, 5462, 10924, 13655, 27310, 54620, 144439, 288878, 577756, 722195, 1444390, 2888780, 394462909, 788925818, 1577851636, 1972314545, 3944629090, 7889258180]

約数ペア:

[(1, 7889258180), (2, 3944629090), (4, 1972314545), (5, 1577851636), (10, 788925818), (20, 394462909), (2731, 2888780), (5462, 1444390), (10924, 722195), (13655, 577756), (27310, 288878), (54620, 144439)]