12685960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45307}}^1$

素因数の和:45325

約数の個数: 32

約数和(自身を含む): 32621760

約数和(自身を除く): 19935800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45307, 90614, 181228, 226535, 317149, 362456, 453070, 634298, 906140, 1268596, 1585745, 1812280, 2537192, 3171490, 6342980, 12685960]

約数ペア:

[(1, 12685960), (2, 6342980), (4, 3171490), (5, 2537192), (7, 1812280), (8, 1585745), (10, 1268596), (14, 906140), (20, 634298), (28, 453070), (35, 362456), (40, 317149), (56, 226535), (70, 181228), (140, 90614), (280, 45307)]