279545080

素因数分解:

$2^3\times 5^1\times {\mathrm{6988627}}^1$

素因数の和:6988638

約数の個数: 16

約数和(自身を含む): 628976520

約数和(自身を除く): 349431440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6988627, 13977254, 27954508, 34943135, 55909016, 69886270, 139772540, 279545080]

約数ペア:

[(1, 279545080), (2, 139772540), (4, 69886270), (5, 55909016), (8, 34943135), (10, 27954508), (20, 13977254), (40, 6988627)]