26182960

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{643}}^1$

素因数の和:1165

約数の個数: 40

約数和(自身を含む): 61089840

約数和(自身を除く): 34906880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 643, 1018, 1286, 2036, 2545, 2572, 3215, 4072, 5090, 5144, 6430, 8144, 10180, 10288, 12860, 20360, 25720, 40720, 51440, 327287, 654574, 1309148, 1636435, 2618296, 3272870, 5236592, 6545740, 13091480, 26182960]

約数ペア:

[(1, 26182960), (2, 13091480), (4, 6545740), (5, 5236592), (8, 3272870), (10, 2618296), (16, 1636435), (20, 1309148), (40, 654574), (80, 327287), (509, 51440), (643, 40720), (1018, 25720), (1286, 20360), (2036, 12860), (2545, 10288), (2572, 10180), (3215, 8144), (4072, 6430), (5090, 5144)]