80693285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1321}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 102164160

約数和(自身を除く): 21470875

約数列:

[1, 5, 19, 95, 643, 1321, 3215, 6605, 12217, 25099, 61085, 125495, 849403, 4247015, 16138657, 80693285]

約数ペア:

[(1, 80693285), (5, 16138657), (19, 4247015), (95, 849403), (643, 125495), (1321, 61085), (3215, 25099), (6605, 12217)]