51271040

素因数分解:

$2^7\times 5^1\times {\mathrm{80111}}^1$

素因数の和:80130

約数の個数: 32

約数和(自身を含む): 122571360

約数和(自身を除く): 71300320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80111, 160222, 320444, 400555, 640888, 801110, 1281776, 1602220, 2563552, 3204440, 5127104, 6408880, 10254208, 12817760, 25635520, 51271040]

約数ペア:

[(1, 51271040), (2, 25635520), (4, 12817760), (5, 10254208), (8, 6408880), (10, 5127104), (16, 3204440), (20, 2563552), (32, 1602220), (40, 1281776), (64, 801110), (80, 640888), (128, 400555), (160, 320444), (320, 160222), (640, 80111)]