117557540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{82787}}^1$

素因数の和:82867

約数の個数: 24

約数和(自身を含む): 250350912

約数和(自身を除く): 132793372

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 82787, 165574, 331148, 413935, 827870, 1655740, 5877877, 11755754, 23511508, 29389385, 58778770, 117557540]

約数ペア:

[(1, 117557540), (2, 58778770), (4, 29389385), (5, 23511508), (10, 11755754), (20, 5877877), (71, 1655740), (142, 827870), (284, 413935), (355, 331148), (710, 165574), (1420, 82787)]