28241680

素因数分解:

$2^4\times 5^1\times {\mathrm{353021}}^1$

素因数の和:353034

約数の個数: 20

約数和(自身を含む): 65662092

約数和(自身を除く): 37420412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353021, 706042, 1412084, 1765105, 2824168, 3530210, 5648336, 7060420, 14120840, 28241680]

約数ペア:

[(1, 28241680), (2, 14120840), (4, 7060420), (5, 5648336), (8, 3530210), (10, 2824168), (16, 1765105), (20, 1412084), (40, 706042), (80, 353021)]