15965480

素因数分解:

$2^3\times 5^1\times {\mathrm{399137}}^1$

素因数の和:399148

約数の個数: 16

約数和(自身を含む): 35922420

約数和(自身を除く): 19956940

約数列:

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

約数ペア:

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