28515520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8101}}^1$

素因数の和:8129

約数の個数: 56

約数和(自身を含む): 74084688

約数和(自身を除く): 45569168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8101, 16202, 32404, 40505, 64808, 81010, 89111, 129616, 162020, 178222, 259232, 324040, 356444, 445555, 518464, 648080, 712888, 891110, 1296160, 1425776, 1782220, 2592320, 2851552, 3564440, 5703104, 7128880, 14257760, 28515520]

約数ペア:

[(1, 28515520), (2, 14257760), (4, 7128880), (5, 5703104), (8, 3564440), (10, 2851552), (11, 2592320), (16, 1782220), (20, 1425776), (22, 1296160), (32, 891110), (40, 712888), (44, 648080), (55, 518464), (64, 445555), (80, 356444), (88, 324040), (110, 259232), (160, 178222), (176, 162020), (220, 129616), (320, 89111), (352, 81010), (440, 64808), (704, 40505), (880, 32404), (1760, 16202), (3520, 8101)]