208515520

素因数分解:

$2^6\times 5^1\times {\mathrm{743}}^1\times {\mathrm{877}}^1$

素因数の和:1637

約数の個数: 56

約数和(自身を含む): 497762784

約数和(自身を除く): 289247264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 743, 877, 1486, 1754, 2972, 3508, 3715, 4385, 5944, 7016, 7430, 8770, 11888, 14032, 14860, 17540, 23776, 28064, 29720, 35080, 47552, 56128, 59440, 70160, 118880, 140320, 237760, 280640, 651611, 1303222, 2606444, 3258055, 5212888, 6516110, 10425776, 13032220, 20851552, 26064440, 41703104, 52128880, 104257760, 208515520]

約数ペア:

[(1, 208515520), (2, 104257760), (4, 52128880), (5, 41703104), (8, 26064440), (10, 20851552), (16, 13032220), (20, 10425776), (32, 6516110), (40, 5212888), (64, 3258055), (80, 2606444), (160, 1303222), (320, 651611), (743, 280640), (877, 237760), (1486, 140320), (1754, 118880), (2972, 70160), (3508, 59440), (3715, 56128), (4385, 47552), (5944, 35080), (7016, 29720), (7430, 28064), (8770, 23776), (11888, 17540), (14032, 14860)]