80940730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{622621}}^1$

素因数の和:622641

約数の個数: 16

約数和(自身を含む): 156900744

約数和(自身を除く): 75960014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 622621, 1245242, 3113105, 6226210, 8094073, 16188146, 40470365, 80940730]

約数ペア:

[(1, 80940730), (2, 40470365), (5, 16188146), (10, 8094073), (13, 6226210), (26, 3113105), (65, 1245242), (130, 622621)]