2649040

素因数分解:

$2^4\times 5^1\times {\mathrm{33113}}^1$

素因数の和:33126

約数の個数: 20

約数和(自身を含む): 6159204

約数和(自身を除く): 3510164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33113, 66226, 132452, 165565, 264904, 331130, 529808, 662260, 1324520, 2649040]

約数ペア:

[(1, 2649040), (2, 1324520), (4, 662260), (5, 529808), (8, 331130), (10, 264904), (16, 165565), (20, 132452), (40, 66226), (80, 33113)]