1421963440

素因数分解:

$2^4\times 5^1\times {\mathrm{17774543}}^1$

素因数の和:17774556

約数の個数: 20

約数和(自身を含む): 3306065184

約数和(自身を除く): 1884101744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17774543, 35549086, 71098172, 88872715, 142196344, 177745430, 284392688, 355490860, 710981720, 1421963440]

約数ペア:

[(1, 1421963440), (2, 710981720), (4, 355490860), (5, 284392688), (8, 177745430), (10, 142196344), (16, 88872715), (20, 71098172), (40, 35549086), (80, 17774543)]