15339640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1987}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 34710480

約数和(自身を除く): 19370840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 1987, 3860, 3974, 7720, 7948, 9935, 15896, 19870, 39740, 79480, 383491, 766982, 1533964, 1917455, 3067928, 3834910, 7669820, 15339640]

約数ペア:

[(1, 15339640), (2, 7669820), (4, 3834910), (5, 3067928), (8, 1917455), (10, 1533964), (20, 766982), (40, 383491), (193, 79480), (386, 39740), (772, 19870), (965, 15896), (1544, 9935), (1930, 7948), (1987, 7720), (3860, 3974)]