1389883840

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101009}}^1$

素因数の和:101069

約数の個数: 56

約数和(自身を含む): 3386663280

約数和(自身を除く): 1996779440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 101009, 202018, 404036, 505045, 808072, 1010090, 1616144, 2020180, 3232288, 4040360, 4343387, 6464576, 8080720, 8686774, 16161440, 17373548, 21716935, 32322880, 34747096, 43433870, 69494192, 86867740, 138988384, 173735480, 277976768, 347470960, 694941920, 1389883840]

約数ペア:

[(1, 1389883840), (2, 694941920), (4, 347470960), (5, 277976768), (8, 173735480), (10, 138988384), (16, 86867740), (20, 69494192), (32, 43433870), (40, 34747096), (43, 32322880), (64, 21716935), (80, 17373548), (86, 16161440), (160, 8686774), (172, 8080720), (215, 6464576), (320, 4343387), (344, 4040360), (430, 3232288), (688, 2020180), (860, 1616144), (1376, 1010090), (1720, 808072), (2752, 505045), (3440, 404036), (6880, 202018), (13760, 101009)]