25515560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91127}}^1$

素因数の和:91145

約数の個数: 32

約数和(自身を含む): 65612160

約数和(自身を除く): 40096600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91127, 182254, 364508, 455635, 637889, 729016, 911270, 1275778, 1822540, 2551556, 3189445, 3645080, 5103112, 6378890, 12757780, 25515560]

約数ペア:

[(1, 25515560), (2, 12757780), (4, 6378890), (5, 5103112), (7, 3645080), (8, 3189445), (10, 2551556), (14, 1822540), (20, 1275778), (28, 911270), (35, 729016), (40, 637889), (56, 455635), (70, 364508), (140, 182254), (280, 91127)]