28295080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 70217280

約数和(自身を除く): 41922200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 601, 856, 1070, 1177, 1202, 2140, 2354, 2404, 3005, 4280, 4708, 4808, 5885, 6010, 6611, 9416, 11770, 12020, 13222, 23540, 24040, 26444, 33055, 47080, 52888, 64307, 66110, 128614, 132220, 257228, 264440, 321535, 514456, 643070, 707377, 1286140, 1414754, 2572280, 2829508, 3536885, 5659016, 7073770, 14147540, 28295080]

約数ペア:

[(1, 28295080), (2, 14147540), (4, 7073770), (5, 5659016), (8, 3536885), (10, 2829508), (11, 2572280), (20, 1414754), (22, 1286140), (40, 707377), (44, 643070), (55, 514456), (88, 321535), (107, 264440), (110, 257228), (214, 132220), (220, 128614), (428, 66110), (440, 64307), (535, 52888), (601, 47080), (856, 33055), (1070, 26444), (1177, 24040), (1202, 23540), (2140, 13222), (2354, 12020), (2404, 11770), (3005, 9416), (4280, 6611), (4708, 6010), (4808, 5885)]