87942290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{80681}}^1$

素因数の和:80797

約数の個数: 16

約数和(自身を含む): 159750360

約数和(自身を除く): 71808070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 80681, 161362, 403405, 806810, 8794229, 17588458, 43971145, 87942290]

約数ペア:

[(1, 87942290), (2, 43971145), (5, 17588458), (10, 8794229), (109, 806810), (218, 403405), (545, 161362), (1090, 80681)]