560420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4003}}^1$

素因数の和:4019

約数の個数: 24

約数和(自身を含む): 1345344

約数和(自身を除く): 784924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4003, 8006, 16012, 20015, 28021, 40030, 56042, 80060, 112084, 140105, 280210, 560420]

約数ペア:

[(1, 560420), (2, 280210), (4, 140105), (5, 112084), (7, 80060), (10, 56042), (14, 40030), (20, 28021), (28, 20015), (35, 16012), (70, 8006), (140, 4003)]