68585620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83641}}^1$

素因数の和:83691

約数の個数: 24

約数和(自身を含む): 147544488

約数和(自身を除く): 78958868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83641, 167282, 334564, 418205, 836410, 1672820, 3429281, 6858562, 13717124, 17146405, 34292810, 68585620]

約数ペア:

[(1, 68585620), (2, 34292810), (4, 17146405), (5, 13717124), (10, 6858562), (20, 3429281), (41, 1672820), (82, 836410), (164, 418205), (205, 334564), (410, 167282), (820, 83641)]