81003650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 96

約数和(自身を含む): 195404160

約数和(自身を除く): 114400510

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 130, 133, 175, 182, 190, 247, 266, 325, 350, 455, 475, 494, 650, 665, 910, 937, 950, 1235, 1330, 1729, 1874, 2275, 2470, 3325, 3458, 4550, 4685, 6175, 6559, 6650, 8645, 9370, 12181, 12350, 13118, 17290, 17803, 23425, 24362, 32795, 35606, 43225, 46850, 60905, 65590, 85267, 86450, 89015, 121810, 124621, 163975, 170534, 178030, 231439, 249242, 304525, 327950, 426335, 445075, 462878, 609050, 623105, 852670, 890150, 1157195, 1246210, 1620073, 2131675, 2314390, 3115525, 3240146, 4263350, 5785975, 6231050, 8100365, 11571950, 16200730, 40501825, 81003650]

約数ペア:

[(1, 81003650), (2, 40501825), (5, 16200730), (7, 11571950), (10, 8100365), (13, 6231050), (14, 5785975), (19, 4263350), (25, 3240146), (26, 3115525), (35, 2314390), (38, 2131675), (50, 1620073), (65, 1246210), (70, 1157195), (91, 890150), (95, 852670), (130, 623105), (133, 609050), (175, 462878), (182, 445075), (190, 426335), (247, 327950), (266, 304525), (325, 249242), (350, 231439), (455, 178030), (475, 170534), (494, 163975), (650, 124621), (665, 121810), (910, 89015), (937, 86450), (950, 85267), (1235, 65590), (1330, 60905), (1729, 46850), (1874, 43225), (2275, 35606), (2470, 32795), (3325, 24362), (3458, 23425), (4550, 17803), (4685, 17290), (6175, 13118), (6559, 12350), (6650, 12181), (8645, 9370)]