90866960

素因数分解:

$2^4\times 5^1\times {\mathrm{1135837}}^1$

素因数の和:1135850

約数の個数: 20

約数和(自身を含む): 211265868

約数和(自身を除く): 120398908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1135837, 2271674, 4543348, 5679185, 9086696, 11358370, 18173392, 22716740, 45433480, 90866960]

約数ペア:

[(1, 90866960), (2, 45433480), (4, 22716740), (5, 18173392), (8, 11358370), (10, 9086696), (16, 5679185), (20, 4543348), (40, 2271674), (80, 1135837)]