31930960

素因数分解:

$2^4\times 5^1\times {\mathrm{399137}}^1$

素因数の和:399150

約数の個数: 20

約数和(自身を含む): 74239668

約数和(自身を除く): 42308708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399137, 798274, 1596548, 1995685, 3193096, 3991370, 6386192, 7982740, 15965480, 31930960]

約数ペア:

[(1, 31930960), (2, 15965480), (4, 7982740), (5, 6386192), (8, 3991370), (10, 3193096), (16, 1995685), (20, 1596548), (40, 798274), (80, 399137)]