12976640

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 80

約数和(自身を含む): 32187672

約数和(自身を除く): 19211032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 137, 148, 160, 185, 256, 274, 296, 320, 370, 512, 548, 592, 640, 685, 740, 1096, 1184, 1280, 1370, 1480, 2192, 2368, 2560, 2740, 2960, 4384, 4736, 5069, 5480, 5920, 8768, 9472, 10138, 10960, 11840, 17536, 18944, 20276, 21920, 23680, 25345, 35072, 40552, 43840, 47360, 50690, 70144, 81104, 87680, 94720, 101380, 162208, 175360, 202760, 324416, 350720, 405520, 648832, 811040, 1297664, 1622080, 2595328, 3244160, 6488320, 12976640]

約数ペア:

[(1, 12976640), (2, 6488320), (4, 3244160), (5, 2595328), (8, 1622080), (10, 1297664), (16, 811040), (20, 648832), (32, 405520), (37, 350720), (40, 324416), (64, 202760), (74, 175360), (80, 162208), (128, 101380), (137, 94720), (148, 87680), (160, 81104), (185, 70144), (256, 50690), (274, 47360), (296, 43840), (320, 40552), (370, 35072), (512, 25345), (548, 23680), (592, 21920), (640, 20276), (685, 18944), (740, 17536), (1096, 11840), (1184, 10960), (1280, 10138), (1370, 9472), (1480, 8768), (2192, 5920), (2368, 5480), (2560, 5069), (2740, 4736), (2960, 4384)]