40444880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72223}}^1$

素因数の和:72243

約数の個数: 40

約数和(自身を含む): 107469312

約数和(自身を除く): 67024432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72223, 144446, 288892, 361115, 505561, 577784, 722230, 1011122, 1155568, 1444460, 2022244, 2527805, 2888920, 4044488, 5055610, 5777840, 8088976, 10111220, 20222440, 40444880]

約数ペア:

[(1, 40444880), (2, 20222440), (4, 10111220), (5, 8088976), (7, 5777840), (8, 5055610), (10, 4044488), (14, 2888920), (16, 2527805), (20, 2022244), (28, 1444460), (35, 1155568), (40, 1011122), (56, 722230), (70, 577784), (80, 505561), (112, 361115), (140, 288892), (280, 144446), (560, 72223)]