81104000

素因数分解:

$2^7\times 5^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 208606320

約数和(自身を除く): 127502320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 128, 137, 148, 160, 185, 200, 250, 274, 296, 320, 370, 400, 500, 548, 592, 640, 685, 740, 800, 925, 1000, 1096, 1184, 1370, 1480, 1600, 1850, 2000, 2192, 2368, 2740, 2960, 3200, 3425, 3700, 4000, 4384, 4625, 4736, 5069, 5480, 5920, 6850, 7400, 8000, 8768, 9250, 10138, 10960, 11840, 13700, 14800, 16000, 17125, 17536, 18500, 20276, 21920, 23680, 25345, 27400, 29600, 34250, 37000, 40552, 43840, 50690, 54800, 59200, 68500, 74000, 81104, 87680, 101380, 109600, 118400, 126725, 137000, 148000, 162208, 202760, 219200, 253450, 274000, 296000, 324416, 405520, 438400, 506900, 548000, 592000, 633625, 648832, 811040, 1013800, 1096000, 1267250, 1622080, 2027600, 2192000, 2534500, 3244160, 4055200, 5069000, 8110400, 10138000, 16220800, 20276000, 40552000, 81104000]

約数ペア:

[(1, 81104000), (2, 40552000), (4, 20276000), (5, 16220800), (8, 10138000), (10, 8110400), (16, 5069000), (20, 4055200), (25, 3244160), (32, 2534500), (37, 2192000), (40, 2027600), (50, 1622080), (64, 1267250), (74, 1096000), (80, 1013800), (100, 811040), (125, 648832), (128, 633625), (137, 592000), (148, 548000), (160, 506900), (185, 438400), (200, 405520), (250, 324416), (274, 296000), (296, 274000), (320, 253450), (370, 219200), (400, 202760), (500, 162208), (548, 148000), (592, 137000), (640, 126725), (685, 118400), (740, 109600), (800, 101380), (925, 87680), (1000, 81104), (1096, 74000), (1184, 68500), (1370, 59200), (1480, 54800), (1600, 50690), (1850, 43840), (2000, 40552), (2192, 37000), (2368, 34250), (2740, 29600), (2960, 27400), (3200, 25345), (3425, 23680), (3700, 21920), (4000, 20276), (4384, 18500), (4625, 17536), (4736, 17125), (5069, 16000), (5480, 14800), (5920, 13700), (6850, 11840), (7400, 10960), (8000, 10138), (8768, 9250)]