55398320

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2633}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 129339936

約数和(自身を除く): 73941616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 2633, 4208, 5260, 5266, 10520, 10532, 13165, 21040, 21064, 26330, 42128, 52660, 105320, 210640, 692479, 1384958, 2769916, 3462395, 5539832, 6924790, 11079664, 13849580, 27699160, 55398320]

約数ペア:

[(1, 55398320), (2, 27699160), (4, 13849580), (5, 11079664), (8, 6924790), (10, 5539832), (16, 3462395), (20, 2769916), (40, 1384958), (80, 692479), (263, 210640), (526, 105320), (1052, 52660), (1315, 42128), (2104, 26330), (2630, 21064), (2633, 21040), (4208, 13165), (5260, 10532), (5266, 10520)]