1420660

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 3005856

約数和(自身を除く): 1585196

約数列:

[1, 2, 4, 5, 10, 20, 251, 283, 502, 566, 1004, 1132, 1255, 1415, 2510, 2830, 5020, 5660, 71033, 142066, 284132, 355165, 710330, 1420660]

約数ペア:

[(1, 1420660), (2, 710330), (4, 355165), (5, 284132), (10, 142066), (20, 71033), (251, 5660), (283, 5020), (502, 2830), (566, 2510), (1004, 1415), (1132, 1255)]