12748540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 31356864

約数和(自身を除く): 18608324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2221, 2870, 4442, 5740, 8884, 11105, 15547, 22210, 31094, 44420, 62188, 77735, 91061, 155470, 182122, 310940, 364244, 455305, 637427, 910610, 1274854, 1821220, 2549708, 3187135, 6374270, 12748540]

約数ペア:

[(1, 12748540), (2, 6374270), (4, 3187135), (5, 2549708), (7, 1821220), (10, 1274854), (14, 910610), (20, 637427), (28, 455305), (35, 364244), (41, 310940), (70, 182122), (82, 155470), (140, 91061), (164, 77735), (205, 62188), (287, 44420), (410, 31094), (574, 22210), (820, 15547), (1148, 11105), (1435, 8884), (2221, 5740), (2870, 4442)]