23964820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 55516608

約数和(自身を除く): 31551788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1123, 1940, 2134, 2246, 4268, 4492, 5335, 5615, 10670, 11230, 12353, 21340, 22460, 24706, 49412, 61765, 108931, 123530, 217862, 247060, 435724, 544655, 1089310, 1198241, 2178620, 2396482, 4792964, 5991205, 11982410, 23964820]

約数ペア:

[(1, 23964820), (2, 11982410), (4, 5991205), (5, 4792964), (10, 2396482), (11, 2178620), (20, 1198241), (22, 1089310), (44, 544655), (55, 435724), (97, 247060), (110, 217862), (194, 123530), (220, 108931), (388, 61765), (485, 49412), (970, 24706), (1067, 22460), (1123, 21340), (1940, 12353), (2134, 11230), (2246, 10670), (4268, 5615), (4492, 5335)]