2131520

素因数分解:

$2^6\times 5^1\times {\mathrm{6661}}^1$

素因数の和:6678

約数の個数: 28

約数和(自身を含む): 5076444

約数和(自身を除く): 2944924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6661, 13322, 26644, 33305, 53288, 66610, 106576, 133220, 213152, 266440, 426304, 532880, 1065760, 2131520]

約数ペア:

[(1, 2131520), (2, 1065760), (4, 532880), (5, 426304), (8, 266440), (10, 213152), (16, 133220), (20, 106576), (32, 66610), (40, 53288), (64, 33305), (80, 26644), (160, 13322), (320, 6661)]