80627125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{20807}}^1$

素因数の和:20853

約数の個数: 16

約数和(自身を含む): 103873536

約数和(自身を除く): 23246411

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 20807, 104035, 520175, 645017, 2600875, 3225085, 16125425, 80627125]

約数ペア:

[(1, 80627125), (5, 16125425), (25, 3225085), (31, 2600875), (125, 645017), (155, 520175), (775, 104035), (3875, 20807)]