80495073776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386995547}}^1$

素因数の和:386995568

約数の個数: 20

約数和(自身を含む): 167956067832

約数和(自身を除く): 87460994056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386995547, 773991094, 1547982188, 3095964376, 5030942111, 6191928752, 10061884222, 20123768444, 40247536888, 80495073776]

約数ペア:

[(1, 80495073776), (2, 40247536888), (4, 20123768444), (8, 10061884222), (13, 6191928752), (16, 5030942111), (26, 3095964376), (52, 1547982188), (104, 773991094), (208, 386995547)]