81289046420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{172801}}^1$

素因数の和:173400

約数の個数: 48

約数和(自身を含む): 174997276608

約数和(自身を除く): 93708230188

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 547, 860, 1094, 2188, 2735, 5470, 10940, 23521, 47042, 94084, 117605, 172801, 235210, 345602, 470420, 691204, 864005, 1728010, 3456020, 7430443, 14860886, 29721772, 37152215, 74304430, 94522147, 148608860, 189044294, 378088588, 472610735, 945221470, 1890442940, 4064452321, 8128904642, 16257809284, 20322261605, 40644523210, 81289046420]

約数ペア:

[(1, 81289046420), (2, 40644523210), (4, 20322261605), (5, 16257809284), (10, 8128904642), (20, 4064452321), (43, 1890442940), (86, 945221470), (172, 472610735), (215, 378088588), (430, 189044294), (547, 148608860), (860, 94522147), (1094, 74304430), (2188, 37152215), (2735, 29721772), (5470, 14860886), (10940, 7430443), (23521, 3456020), (47042, 1728010), (94084, 864005), (117605, 691204), (172801, 470420), (235210, 345602)]