72002540

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3533}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 151396560

約数和(自身を除く): 79394020

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3533, 4076, 5095, 7066, 10190, 14132, 17665, 20380, 35330, 70660, 3600127, 7200254, 14400508, 18000635, 36001270, 72002540]

約数ペア:

[(1, 72002540), (2, 36001270), (4, 18000635), (5, 14400508), (10, 7200254), (20, 3600127), (1019, 70660), (2038, 35330), (3533, 20380), (4076, 17665), (5095, 14132), (7066, 10190)]