2728996840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{4259}}^1$

素因数の和:4546

約数の個数: 64

約数和(自身を含む): 6247886400

約数和(自身を除く): 3518889560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 193, 332, 386, 415, 664, 772, 830, 965, 1544, 1660, 1930, 3320, 3860, 4259, 7720, 8518, 16019, 17036, 21295, 32038, 34072, 42590, 64076, 80095, 85180, 128152, 160190, 170360, 320380, 353497, 640760, 706994, 821987, 1413988, 1643974, 1767485, 2827976, 3287948, 3534970, 4109935, 6575896, 7069940, 8219870, 14139880, 16439740, 32879480, 68224921, 136449842, 272899684, 341124605, 545799368, 682249210, 1364498420, 2728996840]

約数ペア:

[(1, 2728996840), (2, 1364498420), (4, 682249210), (5, 545799368), (8, 341124605), (10, 272899684), (20, 136449842), (40, 68224921), (83, 32879480), (166, 16439740), (193, 14139880), (332, 8219870), (386, 7069940), (415, 6575896), (664, 4109935), (772, 3534970), (830, 3287948), (965, 2827976), (1544, 1767485), (1660, 1643974), (1930, 1413988), (3320, 821987), (3860, 706994), (4259, 640760), (7720, 353497), (8518, 320380), (16019, 170360), (17036, 160190), (21295, 128152), (32038, 85180), (34072, 80095), (42590, 64076)]