64151320

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4759}}^1$

素因数の和:5107

約数の個数: 32

約数和(自身を含む): 144799200

約数和(自身を除く): 80647880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 4759, 6740, 9518, 13480, 19036, 23795, 38072, 47590, 95180, 190360, 1603783, 3207566, 6415132, 8018915, 12830264, 16037830, 32075660, 64151320]

約数ペア:

[(1, 64151320), (2, 32075660), (4, 16037830), (5, 12830264), (8, 8018915), (10, 6415132), (20, 3207566), (40, 1603783), (337, 190360), (674, 95180), (1348, 47590), (1685, 38072), (2696, 23795), (3370, 19036), (4759, 13480), (6740, 9518)]