1812280

素因数分解:

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

素因数の和:45318

約数の個数: 16

約数和(自身を含む): 4077720

約数和(自身を除く): 2265440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45307, 90614, 181228, 226535, 362456, 453070, 906140, 1812280]

約数ペア:

[(1, 1812280), (2, 906140), (4, 453070), (5, 362456), (8, 226535), (10, 181228), (20, 90614), (40, 45307)]