80017355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 109817856

約数和(自身を除く): 29800501

約数列:

[1, 5, 11, 31, 55, 71, 155, 341, 355, 661, 781, 1705, 2201, 3305, 3905, 7271, 11005, 20491, 24211, 36355, 46931, 102455, 121055, 225401, 234655, 516241, 1127005, 1454861, 2581205, 7274305, 16003471, 80017355]

約数ペア:

[(1, 80017355), (5, 16003471), (11, 7274305), (31, 2581205), (55, 1454861), (71, 1127005), (155, 516241), (341, 234655), (355, 225401), (661, 121055), (781, 102455), (1705, 46931), (2201, 36355), (3305, 24211), (3905, 20491), (7271, 11005)]