39221740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12491}}^1$

素因数の和:12657

約数の個数: 24

約数和(自身を含む): 82896912

約数和(自身を除く): 43675172

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 12491, 24982, 49964, 62455, 124910, 249820, 1961087, 3922174, 7844348, 9805435, 19610870, 39221740]

約数ペア:

[(1, 39221740), (2, 19610870), (4, 9805435), (5, 7844348), (10, 3922174), (20, 1961087), (157, 249820), (314, 124910), (628, 62455), (785, 49964), (1570, 24982), (3140, 12491)]