165201996020

素因数分解:

$2^2\times 5^1\times {\mathrm{8260099801}}^1$

素因数の和:8260099810

約数の個数: 12

約数和(自身を含む): 346924191684

約数和(自身を除く): 181722195664

約数列:

[1, 2, 4, 5, 10, 20, 8260099801, 16520199602, 33040399204, 41300499005, 82600998010, 165201996020]

約数ペア:

[(1, 165201996020), (2, 82600998010), (4, 41300499005), (5, 33040399204), (10, 16520199602), (20, 8260099801)]