78178960

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2437}}^1$

素因数の和:2851

約数の個数: 40

約数和(自身を含む): 182294136

約数和(自身を除く): 104115176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 2437, 3208, 4010, 4874, 6416, 8020, 9748, 12185, 16040, 19496, 24370, 32080, 38992, 48740, 97480, 194960, 977237, 1954474, 3908948, 4886185, 7817896, 9772370, 15635792, 19544740, 39089480, 78178960]

約数ペア:

[(1, 78178960), (2, 39089480), (4, 19544740), (5, 15635792), (8, 9772370), (10, 7817896), (16, 4886185), (20, 3908948), (40, 1954474), (80, 977237), (401, 194960), (802, 97480), (1604, 48740), (2005, 38992), (2437, 32080), (3208, 24370), (4010, 19496), (4874, 16040), (6416, 12185), (8020, 9748)]