28777160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15307}}^1$

素因数の和:15365

約数の個数: 32

約数和(自身を含む): 66130560

約数和(自身を除く): 37353400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15307, 30614, 61228, 76535, 122456, 153070, 306140, 612280, 719429, 1438858, 2877716, 3597145, 5755432, 7194290, 14388580, 28777160]

約数ペア:

[(1, 28777160), (2, 14388580), (4, 7194290), (5, 5755432), (8, 3597145), (10, 2877716), (20, 1438858), (40, 719429), (47, 612280), (94, 306140), (188, 153070), (235, 122456), (376, 76535), (470, 61228), (940, 30614), (1880, 15307)]