105865640

素因数分解:

$2^3\times 5^1\times {\mathrm{2646641}}^1$

素因数の和:2646652

約数の個数: 16

約数和(自身を含む): 238197780

約数和(自身を除く): 132332140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2646641, 5293282, 10586564, 13233205, 21173128, 26466410, 52932820, 105865640]

約数ペア:

[(1, 105865640), (2, 52932820), (4, 26466410), (5, 21173128), (8, 13233205), (10, 10586564), (20, 5293282), (40, 2646641)]