89881540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{642011}}^1$

素因数の和:642027

約数の個数: 24

約数和(自身を含む): 215716032

約数和(自身を除く): 125834492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 642011, 1284022, 2568044, 3210055, 4494077, 6420110, 8988154, 12840220, 17976308, 22470385, 44940770, 89881540]

約数ペア:

[(1, 89881540), (2, 44940770), (4, 22470385), (5, 17976308), (7, 12840220), (10, 8988154), (14, 6420110), (20, 4494077), (28, 3210055), (35, 2568044), (70, 1284022), (140, 642011)]