28479920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50857}}^1$

素因数の和:50877

約数の個数: 40

約数和(自身を含む): 75676704

約数和(自身を除く): 47196784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50857, 101714, 203428, 254285, 355999, 406856, 508570, 711998, 813712, 1017140, 1423996, 1779995, 2034280, 2847992, 3559990, 4068560, 5695984, 7119980, 14239960, 28479920]

約数ペア:

[(1, 28479920), (2, 14239960), (4, 7119980), (5, 5695984), (7, 4068560), (8, 3559990), (10, 2847992), (14, 2034280), (16, 1779995), (20, 1423996), (28, 1017140), (35, 813712), (40, 711998), (56, 508570), (70, 406856), (80, 355999), (112, 254285), (140, 203428), (280, 101714), (560, 50857)]