89814100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20887}}^1$

素因数の和:20944

約数の個数: 36

約数和(自身を含む): 199438624

約数和(自身を除く): 109624524

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 20887, 41774, 83548, 104435, 208870, 417740, 522175, 898141, 1044350, 1796282, 2088700, 3592564, 4490705, 8981410, 17962820, 22453525, 44907050, 89814100]

約数ペア:

[(1, 89814100), (2, 44907050), (4, 22453525), (5, 17962820), (10, 8981410), (20, 4490705), (25, 3592564), (43, 2088700), (50, 1796282), (86, 1044350), (100, 898141), (172, 522175), (215, 417740), (430, 208870), (860, 104435), (1075, 83548), (2150, 41774), (4300, 20887)]