79908640

素因数分解:

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

素因数の和:71369

約数の個数: 48

約数和(自身を含む): 215756352

約数和(自身を除く): 135847712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71347, 142694, 285388, 356735, 499429, 570776, 713470, 998858, 1141552, 1426940, 1997716, 2283104, 2497145, 2853880, 3995432, 4994290, 5707760, 7990864, 9988580, 11415520, 15981728, 19977160, 39954320, 79908640]

約数ペア:

[(1, 79908640), (2, 39954320), (4, 19977160), (5, 15981728), (7, 11415520), (8, 9988580), (10, 7990864), (14, 5707760), (16, 4994290), (20, 3995432), (28, 2853880), (32, 2497145), (35, 2283104), (40, 1997716), (56, 1426940), (70, 1141552), (80, 998858), (112, 713470), (140, 570776), (160, 499429), (224, 356735), (280, 285388), (560, 142694), (1120, 71347)]