80721955

素因数分解:

$5^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 98078400

約数和(自身を除く): 17356445

約数列:

[1, 5, 167, 277, 349, 835, 1385, 1745, 46259, 58283, 96673, 231295, 291415, 483365, 16144391, 80721955]

約数ペア:

[(1, 80721955), (5, 16144391), (167, 483365), (277, 291415), (349, 231295), (835, 96673), (1385, 58283), (1745, 46259)]