7139025640

素因数分解:

$2^3\times 5^1\times {\mathrm{178475641}}^1$

素因数の和:178475652

約数の個数: 16

約数和(自身を含む): 16062807780

約数和(自身を除く): 8923782140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 178475641, 356951282, 713902564, 892378205, 1427805128, 1784756410, 3569512820, 7139025640]

約数ペア:

[(1, 7139025640), (2, 3569512820), (4, 1784756410), (5, 1427805128), (8, 892378205), (10, 713902564), (20, 356951282), (40, 178475641)]