3417640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 7872480

約数和(自身を除く): 4454840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1987, 3974, 7948, 9935, 15896, 19870, 39740, 79480, 85441, 170882, 341764, 427205, 683528, 854410, 1708820, 3417640]

約数ペア:

[(1, 3417640), (2, 1708820), (4, 854410), (5, 683528), (8, 427205), (10, 341764), (20, 170882), (40, 85441), (43, 79480), (86, 39740), (172, 19870), (215, 15896), (344, 9935), (430, 7948), (860, 3974), (1720, 1987)]