156914042170

素因数分解:

$2^1\times 5^1\times {\mathrm{391903}}^1\times {\mathrm{40039}}^1$

素因数の和:431949

約数の個数: 16

約数和(自身を含む): 282453050880

約数和(自身を除く): 125539008710

約数列:

[1, 2, 5, 10, 40039, 80078, 200195, 391903, 400390, 783806, 1959515, 3919030, 15691404217, 31382808434, 78457021085, 156914042170]

約数ペア:

[(1, 156914042170), (2, 78457021085), (5, 31382808434), (10, 15691404217), (40039, 3919030), (80078, 1959515), (200195, 783806), (391903, 400390)]