13644460

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1061}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 28724976

約数和(自身を除く): 15080516

約数列:

[1, 2, 4, 5, 10, 20, 643, 1061, 1286, 2122, 2572, 3215, 4244, 5305, 6430, 10610, 12860, 21220, 682223, 1364446, 2728892, 3411115, 6822230, 13644460]

約数ペア:

[(1, 13644460), (2, 6822230), (4, 3411115), (5, 2728892), (10, 1364446), (20, 682223), (643, 21220), (1061, 12860), (1286, 10610), (2122, 6430), (2572, 5305), (3215, 4244)]