91051280

素因数分解:

$2^4\times 5^1\times {\mathrm{1138141}}^1$

素因数の和:1138154

約数の個数: 20

約数和(自身を含む): 211694412

約数和(自身を除く): 120643132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1138141, 2276282, 4552564, 5690705, 9105128, 11381410, 18210256, 22762820, 45525640, 91051280]

約数ペア:

[(1, 91051280), (2, 45525640), (4, 22762820), (5, 18210256), (8, 11381410), (10, 9105128), (16, 5690705), (20, 4552564), (40, 2276282), (80, 1138141)]