80656810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{620437}}^1$

素因数の和:620457

約数の個数: 16

約数和(自身を含む): 156350376

約数和(自身を除く): 75693566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 620437, 1240874, 3102185, 6204370, 8065681, 16131362, 40328405, 80656810]

約数ペア:

[(1, 80656810), (2, 40328405), (5, 16131362), (10, 8065681), (13, 6204370), (26, 3102185), (65, 1240874), (130, 620437)]