127262020

素因数分解:

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

素因数の和:612

約数の個数: 36

約数和(自身を含む): 270975852

約数和(自身を除く): 143713832

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 251, 404, 502, 505, 1004, 1010, 1255, 2020, 2510, 5020, 25351, 50702, 63001, 101404, 126002, 126755, 252004, 253510, 315005, 507020, 630010, 1260020, 6363101, 12726202, 25452404, 31815505, 63631010, 127262020]

約数ペア:

[(1, 127262020), (2, 63631010), (4, 31815505), (5, 25452404), (10, 12726202), (20, 6363101), (101, 1260020), (202, 630010), (251, 507020), (404, 315005), (502, 253510), (505, 252004), (1004, 126755), (1010, 126002), (1255, 101404), (2020, 63001), (2510, 50702), (5020, 25351)]