1255200020

素因数分解:

$2^2\times 5^1\times {\mathrm{62760001}}^1$

素因数の和:62760010

約数の個数: 12

約数和(自身を含む): 2635920084

約数和(自身を除く): 1380720064

約数列:

[1, 2, 4, 5, 10, 20, 62760001, 125520002, 251040004, 313800005, 627600010, 1255200020]

約数ペア:

[(1, 1255200020), (2, 627600010), (4, 313800005), (5, 251040004), (10, 125520002), (20, 62760001)]