39954320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71347}}^1$

素因数の和:71367

約数の個数: 40

約数和(自身を含む): 106165824

約数和(自身を除く): 66211504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71347, 142694, 285388, 356735, 499429, 570776, 713470, 998858, 1141552, 1426940, 1997716, 2497145, 2853880, 3995432, 4994290, 5707760, 7990864, 9988580, 19977160, 39954320]

約数ペア:

[(1, 39954320), (2, 19977160), (4, 9988580), (5, 7990864), (7, 5707760), (8, 4994290), (10, 3995432), (14, 2853880), (16, 2497145), (20, 1997716), (28, 1426940), (35, 1141552), (40, 998858), (56, 713470), (70, 570776), (80, 499429), (112, 356735), (140, 285388), (280, 142694), (560, 71347)]