16998082160

素因数分解:

$2^4\times 5^1\times {\mathrm{212476027}}^1$

素因数の和:212476040

約数の個数: 20

約数和(自身を含む): 39520541208

約数和(自身を除く): 22522459048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 212476027, 424952054, 849904108, 1062380135, 1699808216, 2124760270, 3399616432, 4249520540, 8499041080, 16998082160]

約数ペア:

[(1, 16998082160), (2, 8499041080), (4, 4249520540), (5, 3399616432), (8, 2124760270), (10, 1699808216), (16, 1062380135), (20, 849904108), (40, 424952054), (80, 212476027)]