1355943040

素因数分解:

$2^7\times 5^1\times {\mathrm{2118661}}^1$

素因数の和:2118680

約数の個数: 32

約数和(自身を含む): 3241552860

約数和(自身を除く): 1885609820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2118661, 4237322, 8474644, 10593305, 16949288, 21186610, 33898576, 42373220, 67797152, 84746440, 135594304, 169492880, 271188608, 338985760, 677971520, 1355943040]

約数ペア:

[(1, 1355943040), (2, 677971520), (4, 338985760), (5, 271188608), (8, 169492880), (10, 135594304), (16, 84746440), (20, 67797152), (32, 42373220), (40, 33898576), (64, 21186610), (80, 16949288), (128, 10593305), (160, 8474644), (320, 4237322), (640, 2118661)]