6545740

素因数分解:

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

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 13794480

約数和(自身を除く): 7248740

約数列:

[1, 2, 4, 5, 10, 20, 509, 643, 1018, 1286, 2036, 2545, 2572, 3215, 5090, 6430, 10180, 12860, 327287, 654574, 1309148, 1636435, 3272870, 6545740]

約数ペア:

[(1, 6545740), (2, 3272870), (4, 1636435), (5, 1309148), (10, 654574), (20, 327287), (509, 12860), (643, 10180), (1018, 6430), (1286, 5090), (2036, 3215), (2545, 2572)]