89054720

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 218758320

約数和(自身を除く): 129703600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 809, 860, 1280, 1376, 1618, 1720, 2560, 2752, 3236, 3440, 4045, 5504, 6472, 6880, 8090, 11008, 12944, 13760, 16180, 22016, 25888, 27520, 32360, 34787, 51776, 55040, 64720, 69574, 103552, 110080, 129440, 139148, 173935, 207104, 258880, 278296, 347870, 414208, 517760, 556592, 695740, 1035520, 1113184, 1391480, 2071040, 2226368, 2782960, 4452736, 5565920, 8905472, 11131840, 17810944, 22263680, 44527360, 89054720]

約数ペア:

[(1, 89054720), (2, 44527360), (4, 22263680), (5, 17810944), (8, 11131840), (10, 8905472), (16, 5565920), (20, 4452736), (32, 2782960), (40, 2226368), (43, 2071040), (64, 1391480), (80, 1113184), (86, 1035520), (128, 695740), (160, 556592), (172, 517760), (215, 414208), (256, 347870), (320, 278296), (344, 258880), (430, 207104), (512, 173935), (640, 139148), (688, 129440), (809, 110080), (860, 103552), (1280, 69574), (1376, 64720), (1618, 55040), (1720, 51776), (2560, 34787), (2752, 32360), (3236, 27520), (3440, 25888), (4045, 22016), (5504, 16180), (6472, 13760), (6880, 12944), (8090, 11008)]