320410960

素因数分解:

$2^4\times 5^1\times {\mathrm{4005137}}^1$

素因数の和:4005150

約数の個数: 20

約数和(自身を含む): 744955668

約数和(自身を除く): 424544708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4005137, 8010274, 16020548, 20025685, 32041096, 40051370, 64082192, 80102740, 160205480, 320410960]

約数ペア:

[(1, 320410960), (2, 160205480), (4, 80102740), (5, 64082192), (8, 40051370), (10, 32041096), (16, 20025685), (20, 16020548), (40, 8010274), (80, 4005137)]