13091480

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{643}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 29559600

約数和(自身を除く): 16468120

約数列:

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

約数ペア:

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