13670560

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 33064416

約数和(自身を除く): 19393856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1987, 3440, 3974, 6880, 7948, 9935, 15896, 19870, 31792, 39740, 63584, 79480, 85441, 158960, 170882, 317920, 341764, 427205, 683528, 854410, 1367056, 1708820, 2734112, 3417640, 6835280, 13670560]

約数ペア:

[(1, 13670560), (2, 6835280), (4, 3417640), (5, 2734112), (8, 1708820), (10, 1367056), (16, 854410), (20, 683528), (32, 427205), (40, 341764), (43, 317920), (80, 170882), (86, 158960), (160, 85441), (172, 79480), (215, 63584), (344, 39740), (430, 31792), (688, 19870), (860, 15896), (1376, 9935), (1720, 7948), (1987, 6880), (3440, 3974)]