54970880

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 133685640

約数和(自身を除く): 78714760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 197, 218, 256, 320, 394, 436, 512, 545, 640, 788, 872, 985, 1090, 1280, 1576, 1744, 1970, 2180, 2560, 3152, 3488, 3940, 4360, 6304, 6976, 7880, 8720, 12608, 13952, 15760, 17440, 21473, 25216, 27904, 31520, 34880, 42946, 50432, 55808, 63040, 69760, 85892, 100864, 107365, 126080, 139520, 171784, 214730, 252160, 279040, 343568, 429460, 504320, 687136, 858920, 1374272, 1717840, 2748544, 3435680, 5497088, 6871360, 10994176, 13742720, 27485440, 54970880]

約数ペア:

[(1, 54970880), (2, 27485440), (4, 13742720), (5, 10994176), (8, 6871360), (10, 5497088), (16, 3435680), (20, 2748544), (32, 1717840), (40, 1374272), (64, 858920), (80, 687136), (109, 504320), (128, 429460), (160, 343568), (197, 279040), (218, 252160), (256, 214730), (320, 171784), (394, 139520), (436, 126080), (512, 107365), (545, 100864), (640, 85892), (788, 69760), (872, 63040), (985, 55808), (1090, 50432), (1280, 42946), (1576, 34880), (1744, 31520), (1970, 27904), (2180, 25216), (2560, 21473), (3152, 17440), (3488, 15760), (3940, 13952), (4360, 12608), (6304, 8720), (6976, 7880)]