3318220

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 7006608

約数和(自身を除く): 3688388

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 661, 1004, 1255, 1322, 2510, 2644, 3305, 5020, 6610, 13220, 165911, 331822, 663644, 829555, 1659110, 3318220]

約数ペア:

[(1, 3318220), (2, 1659110), (4, 829555), (5, 663644), (10, 331822), (20, 165911), (251, 13220), (502, 6610), (661, 5020), (1004, 3305), (1255, 2644), (1322, 2510)]