664559680

素因数分解:

$2^6\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4447}}^1$

素因数の和:4931

約数の個数: 56

約数和(自身を含む): 1586227968

約数和(自身を除く): 921668288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 467, 934, 1868, 2335, 3736, 4447, 4670, 7472, 8894, 9340, 14944, 17788, 18680, 22235, 29888, 35576, 37360, 44470, 71152, 74720, 88940, 142304, 149440, 177880, 284608, 355760, 711520, 1423040, 2076749, 4153498, 8306996, 10383745, 16613992, 20767490, 33227984, 41534980, 66455968, 83069960, 132911936, 166139920, 332279840, 664559680]

約数ペア:

[(1, 664559680), (2, 332279840), (4, 166139920), (5, 132911936), (8, 83069960), (10, 66455968), (16, 41534980), (20, 33227984), (32, 20767490), (40, 16613992), (64, 10383745), (80, 8306996), (160, 4153498), (320, 2076749), (467, 1423040), (934, 711520), (1868, 355760), (2335, 284608), (3736, 177880), (4447, 149440), (4670, 142304), (7472, 88940), (8894, 74720), (9340, 71152), (14944, 44470), (17788, 37360), (18680, 35576), (22235, 29888)]