8627420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4271}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 18301248

約数和(自身を除く): 9673828

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4271, 8542, 17084, 21355, 42710, 85420, 431371, 862742, 1725484, 2156855, 4313710, 8627420]

約数ペア:

[(1, 8627420), (2, 4313710), (4, 2156855), (5, 1725484), (10, 862742), (20, 431371), (101, 85420), (202, 42710), (404, 21355), (505, 17084), (1010, 8542), (2020, 4271)]