12884180

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1291}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 27132000

約数和(自身を除く): 14247820

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1291, 1996, 2495, 2582, 4990, 5164, 6455, 9980, 12910, 25820, 644209, 1288418, 2576836, 3221045, 6442090, 12884180]

約数ペア:

[(1, 12884180), (2, 6442090), (4, 3221045), (5, 2576836), (10, 1288418), (20, 644209), (499, 25820), (998, 12910), (1291, 9980), (1996, 6455), (2495, 5164), (2582, 4990)]