8210180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 19123776

約数和(自身を除く): 10913596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 557, 670, 737, 1114, 1340, 1474, 2228, 2785, 2948, 3685, 5570, 6127, 7370, 11140, 12254, 14740, 24508, 30635, 37319, 61270, 74638, 122540, 149276, 186595, 373190, 410509, 746380, 821018, 1642036, 2052545, 4105090, 8210180]

約数ペア:

[(1, 8210180), (2, 4105090), (4, 2052545), (5, 1642036), (10, 821018), (11, 746380), (20, 410509), (22, 373190), (44, 186595), (55, 149276), (67, 122540), (110, 74638), (134, 61270), (220, 37319), (268, 30635), (335, 24508), (557, 14740), (670, 12254), (737, 11140), (1114, 7370), (1340, 6127), (1474, 5570), (2228, 3685), (2785, 2948)]