8237240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 20532960

約数和(自身を除く): 12295720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 193, 194, 220, 386, 388, 440, 485, 772, 776, 965, 970, 1067, 1544, 1930, 1940, 2123, 2134, 3860, 3880, 4246, 4268, 5335, 7720, 8492, 8536, 10615, 10670, 16984, 18721, 21230, 21340, 37442, 42460, 42680, 74884, 84920, 93605, 149768, 187210, 205931, 374420, 411862, 748840, 823724, 1029655, 1647448, 2059310, 4118620, 8237240]

約数ペア:

[(1, 8237240), (2, 4118620), (4, 2059310), (5, 1647448), (8, 1029655), (10, 823724), (11, 748840), (20, 411862), (22, 374420), (40, 205931), (44, 187210), (55, 149768), (88, 93605), (97, 84920), (110, 74884), (193, 42680), (194, 42460), (220, 37442), (386, 21340), (388, 21230), (440, 18721), (485, 16984), (772, 10670), (776, 10615), (965, 8536), (970, 8492), (1067, 7720), (1544, 5335), (1930, 4268), (1940, 4246), (2123, 3880), (2134, 3860)]