19440706960

素因数分解:

$2^4\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{88657}}^1$

素因数の和:91411

約数の個数: 40

約数和(自身を含む): 45216643896

約数和(自身を除く): 25775936936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2741, 5482, 10964, 13705, 21928, 27410, 43856, 54820, 88657, 109640, 177314, 219280, 354628, 443285, 709256, 886570, 1418512, 1773140, 3546280, 7092560, 243008837, 486017674, 972035348, 1215044185, 1944070696, 2430088370, 3888141392, 4860176740, 9720353480, 19440706960]

約数ペア:

[(1, 19440706960), (2, 9720353480), (4, 4860176740), (5, 3888141392), (8, 2430088370), (10, 1944070696), (16, 1215044185), (20, 972035348), (40, 486017674), (80, 243008837), (2741, 7092560), (5482, 3546280), (10964, 1773140), (13705, 1418512), (21928, 886570), (27410, 709256), (43856, 443285), (54820, 354628), (88657, 219280), (109640, 177314)]