28502680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15161}}^1$

素因数の和:15219

約数の個数: 32

約数和(自身を含む): 65499840

約数和(自身を除く): 36997160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15161, 30322, 60644, 75805, 121288, 151610, 303220, 606440, 712567, 1425134, 2850268, 3562835, 5700536, 7125670, 14251340, 28502680]

約数ペア:

[(1, 28502680), (2, 14251340), (4, 7125670), (5, 5700536), (8, 3562835), (10, 2850268), (20, 1425134), (40, 712567), (47, 606440), (94, 303220), (188, 151610), (235, 121288), (376, 75805), (470, 60644), (940, 30322), (1880, 15161)]