79644880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142223}}^1$

素因数の和:142243

約数の個数: 40

約数和(自身を含む): 211629312

約数和(自身を除く): 131984432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142223, 284446, 568892, 711115, 995561, 1137784, 1422230, 1991122, 2275568, 2844460, 3982244, 4977805, 5688920, 7964488, 9955610, 11377840, 15928976, 19911220, 39822440, 79644880]

約数ペア:

[(1, 79644880), (2, 39822440), (4, 19911220), (5, 15928976), (7, 11377840), (8, 9955610), (10, 7964488), (14, 5688920), (16, 4977805), (20, 3982244), (28, 2844460), (35, 2275568), (40, 1991122), (56, 1422230), (70, 1137784), (80, 995561), (112, 711115), (140, 568892), (280, 284446), (560, 142223)]