28292560

素因数分解:

$2^4\times 5^1\times {\mathrm{353657}}^1$

素因数の和:353670

約数の個数: 20

約数和(自身を含む): 65780388

約数和(自身を除く): 37487828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353657, 707314, 1414628, 1768285, 2829256, 3536570, 5658512, 7073140, 14146280, 28292560]

約数ペア:

[(1, 28292560), (2, 14146280), (4, 7073140), (5, 5658512), (8, 3536570), (10, 2829256), (16, 1768285), (20, 1414628), (40, 707314), (80, 353657)]