8190680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2111}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 10437160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2111, 3880, 4222, 8444, 10555, 16888, 21110, 42220, 84440, 204767, 409534, 819068, 1023835, 1638136, 2047670, 4095340, 8190680]

約数ペア:

[(1, 8190680), (2, 4095340), (4, 2047670), (5, 1638136), (8, 1023835), (10, 819068), (20, 409534), (40, 204767), (97, 84440), (194, 42220), (388, 21110), (485, 16888), (776, 10555), (970, 8444), (1940, 4222), (2111, 3880)]