82104100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 193690728

約数和(自身を除く): 111586628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 260, 274, 325, 461, 548, 650, 685, 922, 1300, 1370, 1781, 1844, 2305, 2740, 3425, 3562, 4610, 5993, 6850, 7124, 8905, 9220, 11525, 11986, 13700, 17810, 23050, 23972, 29965, 35620, 44525, 46100, 59930, 63157, 89050, 119860, 126314, 149825, 178100, 252628, 299650, 315785, 599300, 631570, 821041, 1263140, 1578925, 1642082, 3157850, 3284164, 4105205, 6315700, 8210410, 16420820, 20526025, 41052050, 82104100]

約数ペア:

[(1, 82104100), (2, 41052050), (4, 20526025), (5, 16420820), (10, 8210410), (13, 6315700), (20, 4105205), (25, 3284164), (26, 3157850), (50, 1642082), (52, 1578925), (65, 1263140), (100, 821041), (130, 631570), (137, 599300), (260, 315785), (274, 299650), (325, 252628), (461, 178100), (548, 149825), (650, 126314), (685, 119860), (922, 89050), (1300, 63157), (1370, 59930), (1781, 46100), (1844, 44525), (2305, 35620), (2740, 29965), (3425, 23972), (3562, 23050), (4610, 17810), (5993, 13700), (6850, 11986), (7124, 11525), (8905, 9220)]