80107820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308107}}^1$

素因数の和:308129

約数の個数: 24

約数和(自身を含む): 181167504

約数和(自身を除く): 101059684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 308107, 616214, 1232428, 1540535, 3081070, 4005391, 6162140, 8010782, 16021564, 20026955, 40053910, 80107820]

約数ペア:

[(1, 80107820), (2, 40053910), (4, 20026955), (5, 16021564), (10, 8010782), (13, 6162140), (20, 4005391), (26, 3081070), (52, 1540535), (65, 1232428), (130, 616214), (260, 308107)]