31086460

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1559}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 65388960

約数和(自身を除く): 34302500

約数列:

[1, 2, 4, 5, 10, 20, 997, 1559, 1994, 3118, 3988, 4985, 6236, 7795, 9970, 15590, 19940, 31180, 1554323, 3108646, 6217292, 7771615, 15543230, 31086460]

約数ペア:

[(1, 31086460), (2, 15543230), (4, 7771615), (5, 6217292), (10, 3108646), (20, 1554323), (997, 31180), (1559, 19940), (1994, 15590), (3118, 9970), (3988, 7795), (4985, 6236)]