166969840

素因数分解:

$2^4\times 5^1\times {\mathrm{2087123}}^1$

素因数の和:2087136

約数の個数: 20

約数和(自身を含む): 388205064

約数和(自身を除く): 221235224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2087123, 4174246, 8348492, 10435615, 16696984, 20871230, 33393968, 41742460, 83484920, 166969840]

約数ペア:

[(1, 166969840), (2, 83484920), (4, 41742460), (5, 33393968), (8, 20871230), (10, 16696984), (16, 10435615), (20, 8348492), (40, 4174246), (80, 2087123)]