27943280

素因数分解:

$2^4\times 5^1\times {\mathrm{349291}}^1$

素因数の和:349304

約数の個数: 20

約数和(自身を含む): 64968312

約数和(自身を除く): 37025032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349291, 698582, 1397164, 1746455, 2794328, 3492910, 5588656, 6985820, 13971640, 27943280]

約数ペア:

[(1, 27943280), (2, 13971640), (4, 6985820), (5, 5588656), (8, 3492910), (10, 2794328), (16, 1746455), (20, 1397164), (40, 698582), (80, 349291)]