80871208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19553}}^1$

素因数の和:19617

約数の個数: 32

約数和(自身を含む): 168946560

約数和(自身を除く): 88075352

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 19553, 39106, 78212, 156424, 215083, 430166, 860332, 918991, 1720664, 1837982, 3675964, 7351928, 10108901, 20217802, 40435604, 80871208]

約数ペア:

[(1, 80871208), (2, 40435604), (4, 20217802), (8, 10108901), (11, 7351928), (22, 3675964), (44, 1837982), (47, 1720664), (88, 918991), (94, 860332), (188, 430166), (376, 215083), (517, 156424), (1034, 78212), (2068, 39106), (4136, 19553)]