85780270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199489}}^1$

素因数の和:199539

約数の個数: 16

約数和(自身を含む): 157996080

約数和(自身を除く): 72215810

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 199489, 398978, 997445, 1994890, 8578027, 17156054, 42890135, 85780270]

約数ペア:

[(1, 85780270), (2, 42890135), (5, 17156054), (10, 8578027), (43, 1994890), (86, 997445), (215, 398978), (430, 199489)]