5125420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1021}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 10816848

約数和(自身を除く): 5691428

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1021, 1255, 2042, 2510, 4084, 5020, 5105, 10210, 20420, 256271, 512542, 1025084, 1281355, 2562710, 5125420]

約数ペア:

[(1, 5125420), (2, 2562710), (4, 1281355), (5, 1025084), (10, 512542), (20, 256271), (251, 20420), (502, 10210), (1004, 5105), (1021, 5020), (1255, 4084), (2042, 2510)]