27786880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3947}}^1$

素因数の和:3977

約数の個数: 64

約数和(自身を含む): 72485280

約数和(自身を除く): 44698400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 3947, 7040, 7894, 15788, 19735, 31576, 39470, 43417, 63152, 78940, 86834, 126304, 157880, 173668, 217085, 252608, 315760, 347336, 434170, 505216, 631520, 694672, 868340, 1263040, 1389344, 1736680, 2526080, 2778688, 3473360, 5557376, 6946720, 13893440, 27786880]

約数ペア:

[(1, 27786880), (2, 13893440), (4, 6946720), (5, 5557376), (8, 3473360), (10, 2778688), (11, 2526080), (16, 1736680), (20, 1389344), (22, 1263040), (32, 868340), (40, 694672), (44, 631520), (55, 505216), (64, 434170), (80, 347336), (88, 315760), (110, 252608), (128, 217085), (160, 173668), (176, 157880), (220, 126304), (320, 86834), (352, 78940), (440, 63152), (640, 43417), (704, 39470), (880, 31576), (1408, 19735), (1760, 15788), (3520, 7894), (3947, 7040)]