8210840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18661}}^1$

素因数の和:18683

約数の個数: 32

約数和(自身を含む): 20154960

約数和(自身を除く): 11944120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18661, 37322, 74644, 93305, 149288, 186610, 205271, 373220, 410542, 746440, 821084, 1026355, 1642168, 2052710, 4105420, 8210840]

約数ペア:

[(1, 8210840), (2, 4105420), (4, 2052710), (5, 1642168), (8, 1026355), (10, 821084), (11, 746440), (20, 410542), (22, 373220), (40, 205271), (44, 186610), (55, 149288), (88, 93305), (110, 74644), (220, 37322), (440, 18661)]