80494477570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619188289}}^1$

素因数の和:619188309

約数の個数: 16

約数和(自身を含む): 156035449080

約数和(自身を除く): 75540971510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619188289, 1238376578, 3095941445, 6191882890, 8049447757, 16098895514, 40247238785, 80494477570]

約数ペア:

[(1, 80494477570), (2, 40247238785), (5, 16098895514), (10, 8049447757), (13, 6191882890), (26, 3095941445), (65, 1238376578), (130, 619188289)]