4550786680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{52501}}^1$

素因数の和:52720

約数の個数: 64

約数和(自身を含む): 11227027680

約数和(自身を除く): 6676241000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4334, 7880, 8668, 10835, 17336, 21670, 43340, 52501, 86680, 105002, 210004, 262505, 420008, 525010, 577511, 1050020, 1155022, 2100040, 2310044, 2887555, 4620088, 5775110, 10342697, 11550220, 20685394, 23100440, 41370788, 51713485, 82741576, 103426970, 113769667, 206853940, 227539334, 413707880, 455078668, 568848335, 910157336, 1137696670, 2275393340, 4550786680]

約数ペア:

[(1, 4550786680), (2, 2275393340), (4, 1137696670), (5, 910157336), (8, 568848335), (10, 455078668), (11, 413707880), (20, 227539334), (22, 206853940), (40, 113769667), (44, 103426970), (55, 82741576), (88, 51713485), (110, 41370788), (197, 23100440), (220, 20685394), (394, 11550220), (440, 10342697), (788, 5775110), (985, 4620088), (1576, 2887555), (1970, 2310044), (2167, 2100040), (3940, 1155022), (4334, 1050020), (7880, 577511), (8668, 525010), (10835, 420008), (17336, 262505), (21670, 210004), (43340, 105002), (52501, 86680)]