71911040

素因数分解:

$2^7\times 5^1\times {\mathrm{112361}}^1$

素因数の和:112380

約数の個数: 32

約数和(自身を含む): 171913860

約数和(自身を除く): 100002820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112361, 224722, 449444, 561805, 898888, 1123610, 1797776, 2247220, 3595552, 4494440, 7191104, 8988880, 14382208, 17977760, 35955520, 71911040]

約数ペア:

[(1, 71911040), (2, 35955520), (4, 17977760), (5, 14382208), (8, 8988880), (10, 7191104), (16, 4494440), (20, 3595552), (32, 2247220), (40, 1797776), (64, 1123610), (80, 898888), (128, 561805), (160, 449444), (320, 224722), (640, 112361)]