5457640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2903}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 12545280

約数和(自身を除く): 7087640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2903, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 136441, 272882, 545764, 682205, 1091528, 1364410, 2728820, 5457640]

約数ペア:

[(1, 5457640), (2, 2728820), (4, 1364410), (5, 1091528), (8, 682205), (10, 545764), (20, 272882), (40, 136441), (47, 116120), (94, 58060), (188, 29030), (235, 23224), (376, 14515), (470, 11612), (940, 5806), (1880, 2903)]