71858180

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{3361}}^1$

素因数の和:4439

約数の個数: 24

約数和(自身を含む): 151088280

約数和(自身を除く): 79230100

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 3361, 4276, 5345, 6722, 10690, 13444, 16805, 21380, 33610, 67220, 3592909, 7185818, 14371636, 17964545, 35929090, 71858180]

約数ペア:

[(1, 71858180), (2, 35929090), (4, 17964545), (5, 14371636), (10, 7185818), (20, 3592909), (1069, 67220), (2138, 33610), (3361, 21380), (4276, 16805), (5345, 13444), (6722, 10690)]