2019604880

素因数分解:

$2^4\times 5^1\times {\mathrm{25245061}}^1$

素因数の和:25245074

約数の個数: 20

約数和(自身を含む): 4695581532

約数和(自身を除く): 2675976652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25245061, 50490122, 100980244, 126225305, 201960488, 252450610, 403920976, 504901220, 1009802440, 2019604880]

約数ペア:

[(1, 2019604880), (2, 1009802440), (4, 504901220), (5, 403920976), (8, 252450610), (10, 201960488), (16, 126225305), (20, 100980244), (40, 50490122), (80, 25245061)]