138504880

素因数分解:

$2^4\times 5^1\times {\mathrm{1731311}}^1$

素因数の和:1731324

約数の個数: 20

約数和(自身を含む): 322024032

約数和(自身を除く): 183519152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1731311, 3462622, 6925244, 8656555, 13850488, 17313110, 27700976, 34626220, 69252440, 138504880]

約数ペア:

[(1, 138504880), (2, 69252440), (4, 34626220), (5, 27700976), (8, 17313110), (10, 13850488), (16, 8656555), (20, 6925244), (40, 3462622), (80, 1731311)]