13980920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1811}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 31637520

約数和(自身を除く): 17656600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1811, 1930, 3622, 3860, 7244, 7720, 9055, 14488, 18110, 36220, 72440, 349523, 699046, 1398092, 1747615, 2796184, 3495230, 6990460, 13980920]

約数ペア:

[(1, 13980920), (2, 6990460), (4, 3495230), (5, 2796184), (8, 1747615), (10, 1398092), (20, 699046), (40, 349523), (193, 72440), (386, 36220), (772, 18110), (965, 14488), (1544, 9055), (1811, 7720), (1930, 7244), (3622, 3860)]