1091840

素因数分解:

$2^8\times 5^1\times {\mathrm{853}}^1$

素因数の和:874

約数の個数: 36

約数和(自身を含む): 2618364

約数和(自身を除く): 1526524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 853, 1280, 1706, 3412, 4265, 6824, 8530, 13648, 17060, 27296, 34120, 54592, 68240, 109184, 136480, 218368, 272960, 545920, 1091840]

約数ペア:

[(1, 1091840), (2, 545920), (4, 272960), (5, 218368), (8, 136480), (10, 109184), (16, 68240), (20, 54592), (32, 34120), (40, 27296), (64, 17060), (80, 13648), (128, 8530), (160, 6824), (256, 4265), (320, 3412), (640, 1706), (853, 1280)]