85879540

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{13807}}^1$

素因数の和:14127

約数の個数: 24

約数和(自身を含む): 180940032

約数和(自身を除く): 95060492

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 13807, 27614, 55228, 69035, 138070, 276140, 4293977, 8587954, 17175908, 21469885, 42939770, 85879540]

約数ペア:

[(1, 85879540), (2, 42939770), (4, 21469885), (5, 17175908), (10, 8587954), (20, 4293977), (311, 276140), (622, 138070), (1244, 69035), (1555, 55228), (3110, 27614), (6220, 13807)]