55212440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19441}}^1$

素因数の和:19523

約数の個数: 32

約数和(自身を含む): 125984160

約数和(自身を除く): 70771720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19441, 38882, 77764, 97205, 155528, 194410, 388820, 777640, 1380311, 2760622, 5521244, 6901555, 11042488, 13803110, 27606220, 55212440]

約数ペア:

[(1, 55212440), (2, 27606220), (4, 13803110), (5, 11042488), (8, 6901555), (10, 5521244), (20, 2760622), (40, 1380311), (71, 777640), (142, 388820), (284, 194410), (355, 155528), (568, 97205), (710, 77764), (1420, 38882), (2840, 19441)]