8621360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 22311072

約数和(自身を除く): 13689712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 101, 110, 176, 194, 202, 220, 388, 404, 440, 485, 505, 776, 808, 880, 970, 1010, 1067, 1111, 1552, 1616, 1940, 2020, 2134, 2222, 3880, 4040, 4268, 4444, 5335, 5555, 7760, 8080, 8536, 8888, 9797, 10670, 11110, 17072, 17776, 19594, 21340, 22220, 39188, 42680, 44440, 48985, 78376, 85360, 88880, 97970, 107767, 156752, 195940, 215534, 391880, 431068, 538835, 783760, 862136, 1077670, 1724272, 2155340, 4310680, 8621360]

約数ペア:

[(1, 8621360), (2, 4310680), (4, 2155340), (5, 1724272), (8, 1077670), (10, 862136), (11, 783760), (16, 538835), (20, 431068), (22, 391880), (40, 215534), (44, 195940), (55, 156752), (80, 107767), (88, 97970), (97, 88880), (101, 85360), (110, 78376), (176, 48985), (194, 44440), (202, 42680), (220, 39188), (388, 22220), (404, 21340), (440, 19594), (485, 17776), (505, 17072), (776, 11110), (808, 10670), (880, 9797), (970, 8888), (1010, 8536), (1067, 8080), (1111, 7760), (1552, 5555), (1616, 5335), (1940, 4444), (2020, 4268), (2134, 4040), (2222, 3880)]