8988940

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{883}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 18935280

約数和(自身を除く): 9946340

約数列:

[1, 2, 4, 5, 10, 20, 509, 883, 1018, 1766, 2036, 2545, 3532, 4415, 5090, 8830, 10180, 17660, 449447, 898894, 1797788, 2247235, 4494470, 8988940]

約数ペア:

[(1, 8988940), (2, 4494470), (4, 2247235), (5, 1797788), (10, 898894), (20, 449447), (509, 17660), (883, 10180), (1018, 8830), (1766, 5090), (2036, 4415), (2545, 3532)]