81152810

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49787}}^1$

素因数の和:49957

約数の個数: 16

約数和(自身を含む): 146974176

約数和(自身を除く): 65821366

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49787, 99574, 248935, 497870, 8115281, 16230562, 40576405, 81152810]

約数ペア:

[(1, 81152810), (2, 40576405), (5, 16230562), (10, 8115281), (163, 497870), (326, 248935), (815, 99574), (1630, 49787)]