28200880

素因数分解:

$2^4\times 5^1\times {\mathrm{352511}}^1$

素因数の和:352524

約数の個数: 20

約数和(自身を含む): 65567232

約数和(自身を除く): 37366352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352511, 705022, 1410044, 1762555, 2820088, 3525110, 5640176, 7050220, 14100440, 28200880]

約数ペア:

[(1, 28200880), (2, 14100440), (4, 7050220), (5, 5640176), (8, 3525110), (10, 2820088), (16, 1762555), (20, 1410044), (40, 705022), (80, 352511)]