272821520

素因数分解:

$2^4\times 5^1\times {\mathrm{3410269}}^1$

素因数の和:3410282

約数の個数: 20

約数和(自身を含む): 634310220

約数和(自身を除く): 361488700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3410269, 6820538, 13641076, 17051345, 27282152, 34102690, 54564304, 68205380, 136410760, 272821520]

約数ペア:

[(1, 272821520), (2, 136410760), (4, 68205380), (5, 54564304), (8, 34102690), (10, 27282152), (16, 17051345), (20, 13641076), (40, 6820538), (80, 3410269)]