20116284080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1\times {\mathrm{5273}}^1$

素因数の和:6438

約数の個数: 80

約数和(自身を含む): 47910281760

約数和(自身を除く): 27793997680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1109, 1720, 2218, 3440, 4436, 5273, 5545, 8872, 10546, 11090, 17744, 21092, 22180, 26365, 42184, 44360, 47687, 52730, 84368, 88720, 95374, 105460, 190748, 210920, 226739, 238435, 381496, 421840, 453478, 476870, 762992, 906956, 953740, 1133695, 1813912, 1907480, 2267390, 3627824, 3814960, 4534780, 5847757, 9069560, 11695514, 18139120, 23391028, 29238785, 46782056, 58477570, 93564112, 116955140, 233910280, 251453551, 467820560, 502907102, 1005814204, 1257267755, 2011628408, 2514535510, 4023256816, 5029071020, 10058142040, 20116284080]

約数ペア:

[(1, 20116284080), (2, 10058142040), (4, 5029071020), (5, 4023256816), (8, 2514535510), (10, 2011628408), (16, 1257267755), (20, 1005814204), (40, 502907102), (43, 467820560), (80, 251453551), (86, 233910280), (172, 116955140), (215, 93564112), (344, 58477570), (430, 46782056), (688, 29238785), (860, 23391028), (1109, 18139120), (1720, 11695514), (2218, 9069560), (3440, 5847757), (4436, 4534780), (5273, 3814960), (5545, 3627824), (8872, 2267390), (10546, 1907480), (11090, 1813912), (17744, 1133695), (21092, 953740), (22180, 906956), (26365, 762992), (42184, 476870), (44360, 453478), (47687, 421840), (52730, 381496), (84368, 238435), (88720, 226739), (95374, 210920), (105460, 190748)]