280053080

素因数分解:

$2^3\times 5^1\times {\mathrm{7001327}}^1$

素因数の和:7001338

約数の個数: 16

約数和(自身を含む): 630119520

約数和(自身を除く): 350066440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7001327, 14002654, 28005308, 35006635, 56010616, 70013270, 140026540, 280053080]

約数ペア:

[(1, 280053080), (2, 140026540), (4, 70013270), (5, 56010616), (8, 35006635), (10, 28005308), (20, 14002654), (40, 7001327)]