28225360

素因数分解:

$2^4\times 5^1\times {\mathrm{352817}}^1$

素因数の和:352830

約数の個数: 20

約数和(自身を含む): 65624148

約数和(自身を除く): 37398788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352817, 705634, 1411268, 1764085, 2822536, 3528170, 5645072, 7056340, 14112680, 28225360]

約数ペア:

[(1, 28225360), (2, 14112680), (4, 7056340), (5, 5645072), (8, 3528170), (10, 2822536), (16, 1764085), (20, 1411268), (40, 705634), (80, 352817)]