80453887270

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19110187}}^1$

素因数の和:19110615

約数の個数: 16

約数和(自身を含む): 145160988048

約数和(自身を除く): 64707100778

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 19110187, 38220374, 95550935, 191101870, 8045388727, 16090777454, 40226943635, 80453887270]

約数ペア:

[(1, 80453887270), (2, 40226943635), (5, 16090777454), (10, 8045388727), (421, 191101870), (842, 95550935), (2105, 38220374), (4210, 19110187)]