28252880

素因数分解:

$2^4\times 5^1\times {\mathrm{353161}}^1$

素因数の和:353174

約数の個数: 20

約数和(自身を含む): 65688132

約数和(自身を除く): 37435252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353161, 706322, 1412644, 1765805, 2825288, 3531610, 5650576, 7063220, 14126440, 28252880]

約数ペア:

[(1, 28252880), (2, 14126440), (4, 7063220), (5, 5650576), (8, 3531610), (10, 2825288), (16, 1765805), (20, 1412644), (40, 706322), (80, 353161)]