89708090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{82301}}^1$

素因数の和:82417

約数の個数: 16

約数和(自身を含む): 162957960

約数和(自身を除く): 73249870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 82301, 164602, 411505, 823010, 8970809, 17941618, 44854045, 89708090]

約数ペア:

[(1, 89708090), (2, 44854045), (5, 17941618), (10, 8970809), (109, 823010), (218, 411505), (545, 164602), (1090, 82301)]