1285752680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{683911}}^1$

素因数の和:683969

約数の個数: 32

約数和(自身を含む): 2954499840

約数和(自身を除く): 1668747160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 683911, 1367822, 2735644, 3419555, 5471288, 6839110, 13678220, 27356440, 32143817, 64287634, 128575268, 160719085, 257150536, 321438170, 642876340, 1285752680]

約数ペア:

[(1, 1285752680), (2, 642876340), (4, 321438170), (5, 257150536), (8, 160719085), (10, 128575268), (20, 64287634), (40, 32143817), (47, 27356440), (94, 13678220), (188, 6839110), (235, 5471288), (376, 3419555), (470, 2735644), (940, 1367822), (1880, 683911)]