28208580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20441}}^1$

素因数の和:20476

約数の個数: 48

約数和(自身を含む): 82422144

約数和(自身を除く): 54213564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20441, 40882, 61323, 81764, 102205, 122646, 204410, 245292, 306615, 408820, 470143, 613230, 940286, 1226460, 1410429, 1880572, 2350715, 2820858, 4701430, 5641716, 7052145, 9402860, 14104290, 28208580]

約数ペア:

[(1, 28208580), (2, 14104290), (3, 9402860), (4, 7052145), (5, 5641716), (6, 4701430), (10, 2820858), (12, 2350715), (15, 1880572), (20, 1410429), (23, 1226460), (30, 940286), (46, 613230), (60, 470143), (69, 408820), (92, 306615), (115, 245292), (138, 204410), (230, 122646), (276, 102205), (345, 81764), (460, 61323), (690, 40882), (1380, 20441)]