8570920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 19906740

約数和(自身を除く): 11335820

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 235, 376, 388, 470, 485, 776, 940, 970, 1880, 1940, 2209, 3880, 4418, 4559, 8836, 9118, 11045, 17672, 18236, 22090, 22795, 36472, 44180, 45590, 88360, 91180, 182360, 214273, 428546, 857092, 1071365, 1714184, 2142730, 4285460, 8570920]

約数ペア:

[(1, 8570920), (2, 4285460), (4, 2142730), (5, 1714184), (8, 1071365), (10, 857092), (20, 428546), (40, 214273), (47, 182360), (94, 91180), (97, 88360), (188, 45590), (194, 44180), (235, 36472), (376, 22795), (388, 22090), (470, 18236), (485, 17672), (776, 11045), (940, 9118), (970, 8836), (1880, 4559), (1940, 4418), (2209, 3880)]