27980530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65071}}^1$

素因数の和:65121

約数の個数: 16

約数和(自身を含む): 51537024

約数和(自身を除く): 23556494

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 65071, 130142, 325355, 650710, 2798053, 5596106, 13990265, 27980530]

約数ペア:

[(1, 27980530), (2, 13990265), (5, 5596106), (10, 2798053), (43, 650710), (86, 325355), (215, 130142), (430, 65071)]