2005122005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{182201}}^1$

素因数の和:182308

約数の個数: 16

約数和(自身を含む): 2518760448

約数和(自身を除く): 513638443

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 182201, 911005, 5648231, 12936271, 28241155, 64681355, 401024401, 2005122005]

約数ペア:

[(1, 2005122005), (5, 401024401), (31, 64681355), (71, 28241155), (155, 12936271), (355, 5648231), (2201, 911005), (11005, 182201)]