128113660

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{7727}}^1$

素因数の和:8565

約数の個数: 24

約数和(自身を含む): 269398080

約数和(自身を除く): 141284420

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 7727, 8290, 15454, 16580, 30908, 38635, 77270, 154540, 6405683, 12811366, 25622732, 32028415, 64056830, 128113660]

約数ペア:

[(1, 128113660), (2, 64056830), (4, 32028415), (5, 25622732), (10, 12811366), (20, 6405683), (829, 154540), (1658, 77270), (3316, 38635), (4145, 30908), (7727, 16580), (8290, 15454)]