39822440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142223}}^1$

素因数の和:142241

約数の個数: 32

約数和(自身を含む): 102401280

約数和(自身を除く): 62578840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142223, 284446, 568892, 711115, 995561, 1137784, 1422230, 1991122, 2844460, 3982244, 4977805, 5688920, 7964488, 9955610, 19911220, 39822440]

約数ペア:

[(1, 39822440), (2, 19911220), (4, 9955610), (5, 7964488), (7, 5688920), (8, 4977805), (10, 3982244), (14, 2844460), (20, 1991122), (28, 1422230), (35, 1137784), (40, 995561), (56, 711115), (70, 568892), (140, 284446), (280, 142223)]