129703220

素因数分解:

$2^2\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{3001}}^1$

素因数の和:5171

約数の個数: 24

約数和(自身を含む): 272593608

約数和(自身を除く): 142890388

約数列:

[1, 2, 4, 5, 10, 20, 2161, 3001, 4322, 6002, 8644, 10805, 12004, 15005, 21610, 30010, 43220, 60020, 6485161, 12970322, 25940644, 32425805, 64851610, 129703220]

約数ペア:

[(1, 129703220), (2, 64851610), (4, 32425805), (5, 25940644), (10, 12970322), (20, 6485161), (2161, 60020), (3001, 43220), (4322, 30010), (6002, 21610), (8644, 15005), (10805, 12004)]