3988893560

素因数分解:

$2^3\times 5^1\times {\mathrm{99722339}}^1$

素因数の和:99722350

約数の個数: 16

約数和(自身を含む): 8975010600

約数和(自身を除く): 4986117040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99722339, 199444678, 398889356, 498611695, 797778712, 997223390, 1994446780, 3988893560]

約数ペア:

[(1, 3988893560), (2, 1994446780), (4, 997223390), (5, 797778712), (8, 498611695), (10, 398889356), (20, 199444678), (40, 99722339)]