64879240

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4813}}^1$

素因数の和:5161

約数の個数: 32

約数和(自身を含む): 146441880

約数和(自身を除く): 81562640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 4813, 6740, 9626, 13480, 19252, 24065, 38504, 48130, 96260, 192520, 1621981, 3243962, 6487924, 8109905, 12975848, 16219810, 32439620, 64879240]

約数ペア:

[(1, 64879240), (2, 32439620), (4, 16219810), (5, 12975848), (8, 8109905), (10, 6487924), (20, 3243962), (40, 1621981), (337, 192520), (674, 96260), (1348, 48130), (1685, 38504), (2696, 24065), (3370, 19252), (4813, 13480), (6740, 9626)]