28652080

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{643}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 66839472

約数和(自身を除く): 38187392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 643, 1114, 1286, 2228, 2572, 2785, 3215, 4456, 5144, 5570, 6430, 8912, 10288, 11140, 12860, 22280, 25720, 44560, 51440, 358151, 716302, 1432604, 1790755, 2865208, 3581510, 5730416, 7163020, 14326040, 28652080]

約数ペア:

[(1, 28652080), (2, 14326040), (4, 7163020), (5, 5730416), (8, 3581510), (10, 2865208), (16, 1790755), (20, 1432604), (40, 716302), (80, 358151), (557, 51440), (643, 44560), (1114, 25720), (1286, 22280), (2228, 12860), (2572, 11140), (2785, 10288), (3215, 8912), (4456, 6430), (5144, 5570)]