4217680

素因数分解:

$2^4\times 5^1\times {\mathrm{52721}}^1$

素因数の和:52734

約数の個数: 20

約数和(自身を含む): 9806292

約数和(自身を除く): 5588612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 52721, 105442, 210884, 263605, 421768, 527210, 843536, 1054420, 2108840, 4217680]

約数ペア:

[(1, 4217680), (2, 2108840), (4, 1054420), (5, 843536), (8, 527210), (10, 421768), (16, 263605), (20, 210884), (40, 105442), (80, 52721)]