28000740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10853}}^1$

素因数の和:10908

約数の個数: 48

約数和(自身を含む): 80232768

約数和(自身を除く): 52232028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 10853, 21706, 32559, 43412, 54265, 65118, 108530, 130236, 162795, 217060, 325590, 466679, 651180, 933358, 1400037, 1866716, 2333395, 2800074, 4666790, 5600148, 7000185, 9333580, 14000370, 28000740]

約数ペア:

[(1, 28000740), (2, 14000370), (3, 9333580), (4, 7000185), (5, 5600148), (6, 4666790), (10, 2800074), (12, 2333395), (15, 1866716), (20, 1400037), (30, 933358), (43, 651180), (60, 466679), (86, 325590), (129, 217060), (172, 162795), (215, 130236), (258, 108530), (430, 65118), (516, 54265), (645, 43412), (860, 32559), (1290, 21706), (2580, 10853)]