12707120

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{823}}^1$

素因数の和:1029

約数の個数: 40

約数和(自身を含む): 29733216

約数和(自身を除く): 17026096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 823, 965, 1544, 1646, 1930, 3088, 3292, 3860, 4115, 6584, 7720, 8230, 13168, 15440, 16460, 32920, 65840, 158839, 317678, 635356, 794195, 1270712, 1588390, 2541424, 3176780, 6353560, 12707120]

約数ペア:

[(1, 12707120), (2, 6353560), (4, 3176780), (5, 2541424), (8, 1588390), (10, 1270712), (16, 794195), (20, 635356), (40, 317678), (80, 158839), (193, 65840), (386, 32920), (772, 16460), (823, 15440), (965, 13168), (1544, 8230), (1646, 7720), (1930, 6584), (3088, 4115), (3292, 3860)]