12525640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 28284480

約数和(自身を除く): 15758840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 643, 974, 1286, 1948, 2435, 2572, 3215, 3896, 4870, 5144, 6430, 9740, 12860, 19480, 25720, 313141, 626282, 1252564, 1565705, 2505128, 3131410, 6262820, 12525640]

約数ペア:

[(1, 12525640), (2, 6262820), (4, 3131410), (5, 2505128), (8, 1565705), (10, 1252564), (20, 626282), (40, 313141), (487, 25720), (643, 19480), (974, 12860), (1286, 9740), (1948, 6430), (2435, 5144), (2572, 4870), (3215, 3896)]