25137040

素因数分解:

$2^4\times 5^1\times {\mathrm{314213}}^1$

素因数の和:314226

約数の個数: 20

約数和(自身を含む): 58443804

約数和(自身を除く): 33306764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314213, 628426, 1256852, 1571065, 2513704, 3142130, 5027408, 6284260, 12568520, 25137040]

約数ペア:

[(1, 25137040), (2, 12568520), (4, 6284260), (5, 5027408), (8, 3142130), (10, 2513704), (16, 1571065), (20, 1256852), (40, 628426), (80, 314213)]