39577540

素因数分解:

$2^2\times 5^1\times {\mathrm{1978877}}^1$

素因数の和:1978886

約数の個数: 12

約数和(自身を含む): 83112876

約数和(自身を除く): 43535336

約数列:

[1, 2, 4, 5, 10, 20, 1978877, 3957754, 7915508, 9894385, 19788770, 39577540]

約数ペア:

[(1, 39577540), (2, 19788770), (4, 9894385), (5, 7915508), (10, 3957754), (20, 1978877)]