12938720

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 30799440

約数和(自身を除く): 17860720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 419, 772, 838, 965, 1544, 1676, 1930, 2095, 3088, 3352, 3860, 4190, 6176, 6704, 7720, 8380, 13408, 15440, 16760, 30880, 33520, 67040, 80867, 161734, 323468, 404335, 646936, 808670, 1293872, 1617340, 2587744, 3234680, 6469360, 12938720]

約数ペア:

[(1, 12938720), (2, 6469360), (4, 3234680), (5, 2587744), (8, 1617340), (10, 1293872), (16, 808670), (20, 646936), (32, 404335), (40, 323468), (80, 161734), (160, 80867), (193, 67040), (386, 33520), (419, 30880), (772, 16760), (838, 15440), (965, 13408), (1544, 8380), (1676, 7720), (1930, 6704), (2095, 6176), (3088, 4190), (3352, 3860)]