16257680

素因数分解:

$2^4\times 5^1\times {\mathrm{203221}}^1$

素因数の和:203234

約数の個数: 20

約数和(自身を含む): 37799292

約数和(自身を除く): 21541612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203221, 406442, 812884, 1016105, 1625768, 2032210, 3251536, 4064420, 8128840, 16257680]

約数ペア:

[(1, 16257680), (2, 8128840), (4, 4064420), (5, 3251536), (8, 2032210), (10, 1625768), (16, 1016105), (20, 812884), (40, 406442), (80, 203221)]