16420360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 40979520

約数和(自身を除く): 24559160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 557, 670, 737, 1114, 1340, 1474, 2228, 2680, 2785, 2948, 3685, 4456, 5570, 5896, 6127, 7370, 11140, 12254, 14740, 22280, 24508, 29480, 30635, 37319, 49016, 61270, 74638, 122540, 149276, 186595, 245080, 298552, 373190, 410509, 746380, 821018, 1492760, 1642036, 2052545, 3284072, 4105090, 8210180, 16420360]

約数ペア:

[(1, 16420360), (2, 8210180), (4, 4105090), (5, 3284072), (8, 2052545), (10, 1642036), (11, 1492760), (20, 821018), (22, 746380), (40, 410509), (44, 373190), (55, 298552), (67, 245080), (88, 186595), (110, 149276), (134, 122540), (220, 74638), (268, 61270), (335, 49016), (440, 37319), (536, 30635), (557, 29480), (670, 24508), (737, 22280), (1114, 14740), (1340, 12254), (1474, 11140), (2228, 7370), (2680, 6127), (2785, 5896), (2948, 5570), (3685, 4456)]