77889801025

素因数分解:

$5^2\times {\mathrm{2081}}^1\times {\mathrm{1497161}}^1$

素因数の和:1499252

約数の個数: 12

約数和(自身を含む): 96629829804

約数和(自身を除く): 18740028779

約数列:

[1, 5, 25, 2081, 10405, 52025, 1497161, 7485805, 37429025, 3115592041, 15577960205, 77889801025]

約数ペア:

[(1, 77889801025), (5, 15577960205), (25, 3115592041), (2081, 37429025), (10405, 7485805), (52025, 1497161)]