507020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 1079568

約数和(自身を除く): 572548

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 251, 404, 502, 505, 1004, 1010, 1255, 2020, 2510, 5020, 25351, 50702, 101404, 126755, 253510, 507020]

約数ペア:

[(1, 507020), (2, 253510), (4, 126755), (5, 101404), (10, 50702), (20, 25351), (101, 5020), (202, 2510), (251, 2020), (404, 1255), (502, 1010), (505, 1004)]