144452020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{176161}}^1$

素因数の和:176211

約数の個数: 24

約数和(自身を含む): 310749768

約数和(自身を除く): 166297748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 176161, 352322, 704644, 880805, 1761610, 3523220, 7222601, 14445202, 28890404, 36113005, 72226010, 144452020]

約数ペア:

[(1, 144452020), (2, 72226010), (4, 36113005), (5, 28890404), (10, 14445202), (20, 7222601), (41, 3523220), (82, 1761610), (164, 880805), (205, 704644), (410, 352322), (820, 176161)]