80840555

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 99100800

約数和(自身を除く): 18260245

約数列:

[1, 5, 61, 239, 305, 1109, 1195, 5545, 14579, 67649, 72895, 265051, 338245, 1325255, 16168111, 80840555]

約数ペア:

[(1, 80840555), (5, 16168111), (61, 1325255), (239, 338245), (305, 265051), (1109, 72895), (1195, 67649), (5545, 14579)]