27485440

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 66777480

約数和(自身を除く): 39292040

約数列:

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

約数ペア:

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