90446680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{23311}}^1$

素因数の和:23419

約数の個数: 32

約数和(自身を含む): 205611840

約数和(自身を除く): 115165160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 23311, 46622, 93244, 116555, 186488, 233110, 466220, 932440, 2261167, 4522334, 9044668, 11305835, 18089336, 22611670, 45223340, 90446680]

約数ペア:

[(1, 90446680), (2, 45223340), (4, 22611670), (5, 18089336), (8, 11305835), (10, 9044668), (20, 4522334), (40, 2261167), (97, 932440), (194, 466220), (388, 233110), (485, 186488), (776, 116555), (970, 93244), (1940, 46622), (3880, 23311)]