12741520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14479}}^1$

素因数の和:14503

約数の個数: 40

約数和(自身を含む): 32319360

約数和(自身を除く): 19577840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14479, 28958, 57916, 72395, 115832, 144790, 159269, 231664, 289580, 318538, 579160, 637076, 796345, 1158320, 1274152, 1592690, 2548304, 3185380, 6370760, 12741520]

約数ペア:

[(1, 12741520), (2, 6370760), (4, 3185380), (5, 2548304), (8, 1592690), (10, 1274152), (11, 1158320), (16, 796345), (20, 637076), (22, 579160), (40, 318538), (44, 289580), (55, 231664), (80, 159269), (88, 144790), (110, 115832), (176, 72395), (220, 57916), (440, 28958), (880, 14479)]