65857820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{470413}}^1$

素因数の和:470429

約数の個数: 24

約数和(自身を含む): 158059104

約数和(自身を除く): 92201284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 470413, 940826, 1881652, 2352065, 3292891, 4704130, 6585782, 9408260, 13171564, 16464455, 32928910, 65857820]

約数ペア:

[(1, 65857820), (2, 32928910), (4, 16464455), (5, 13171564), (7, 9408260), (10, 6585782), (14, 4704130), (20, 3292891), (28, 2352065), (35, 1881652), (70, 940826), (140, 470413)]