8279920

素因数分解:

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

素因数の和:218

約数の個数: 60

約数和(自身を含む): 21219624

約数和(自身を除く): 12939704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2134, 3880, 4268, 5335, 7760, 8536, 9409, 10670, 17072, 18818, 21340, 37636, 42680, 47045, 75272, 85360, 94090, 103499, 150544, 188180, 206998, 376360, 413996, 517495, 752720, 827992, 1034990, 1655984, 2069980, 4139960, 8279920]

約数ペア:

[(1, 8279920), (2, 4139960), (4, 2069980), (5, 1655984), (8, 1034990), (10, 827992), (11, 752720), (16, 517495), (20, 413996), (22, 376360), (40, 206998), (44, 188180), (55, 150544), (80, 103499), (88, 94090), (97, 85360), (110, 75272), (176, 47045), (194, 42680), (220, 37636), (388, 21340), (440, 18818), (485, 17072), (776, 10670), (880, 9409), (970, 8536), (1067, 7760), (1552, 5335), (1940, 4268), (2134, 3880)]