13205080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47161}}^1$

素因数の和:47179

約数の個数: 32

約数和(自身を含む): 33956640

約数和(自身を除く): 20751560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47161, 94322, 188644, 235805, 330127, 377288, 471610, 660254, 943220, 1320508, 1650635, 1886440, 2641016, 3301270, 6602540, 13205080]

約数ペア:

[(1, 13205080), (2, 6602540), (4, 3301270), (5, 2641016), (7, 1886440), (8, 1650635), (10, 1320508), (14, 943220), (20, 660254), (28, 471610), (35, 377288), (40, 330127), (56, 235805), (70, 188644), (140, 94322), (280, 47161)]