80919152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{219889}}^1$

素因数の和:219920

約数の個数: 20

約数和(自身を含む): 163598160

約数和(自身を除く): 82679008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 219889, 439778, 879556, 1759112, 3518224, 5057447, 10114894, 20229788, 40459576, 80919152]

約数ペア:

[(1, 80919152), (2, 40459576), (4, 20229788), (8, 10114894), (16, 5057447), (23, 3518224), (46, 1759112), (92, 879556), (184, 439778), (368, 219889)]