56785540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{405611}}^1$

素因数の和:405627

約数の個数: 24

約数和(自身を含む): 136285632

約数和(自身を除く): 79500092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 405611, 811222, 1622444, 2028055, 2839277, 4056110, 5678554, 8112220, 11357108, 14196385, 28392770, 56785540]

約数ペア:

[(1, 56785540), (2, 28392770), (4, 14196385), (5, 11357108), (7, 8112220), (10, 5678554), (14, 4056110), (20, 2839277), (28, 2028055), (35, 1622444), (70, 811222), (140, 405611)]