25797040

素因数分解:

$2^4\times 5^1\times {\mathrm{322463}}^1$

素因数の和:322476

約数の個数: 20

約数和(自身を含む): 59978304

約数和(自身を除く): 34181264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 322463, 644926, 1289852, 1612315, 2579704, 3224630, 5159408, 6449260, 12898520, 25797040]

約数ペア:

[(1, 25797040), (2, 12898520), (4, 6449260), (5, 5159408), (8, 3224630), (10, 2579704), (16, 1612315), (20, 1289852), (40, 644926), (80, 322463)]