80894755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20249}}^1$

素因数の和:20318

約数の個数: 16

約数和(自身を含む): 104976000

約数和(自身を除く): 24081245

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 20249, 101245, 344233, 951703, 1721165, 4758515, 16178951, 80894755]

約数ペア:

[(1, 80894755), (5, 16178951), (17, 4758515), (47, 1721165), (85, 951703), (235, 344233), (799, 101245), (3995, 20249)]