204057680

素因数分解:

$2^4\times 5^1\times {\mathrm{2550721}}^1$

素因数の和:2550734

約数の個数: 20

約数和(自身を含む): 474434292

約数和(自身を除く): 270376612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2550721, 5101442, 10202884, 12753605, 20405768, 25507210, 40811536, 51014420, 102028840, 204057680]

約数ペア:

[(1, 204057680), (2, 102028840), (4, 51014420), (5, 40811536), (8, 25507210), (10, 20405768), (16, 12753605), (20, 10202884), (40, 5101442), (80, 2550721)]