51999920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{92857}}^1$

素因数の和:92877

約数の個数: 40

約数和(自身を含む): 138172704

約数和(自身を除く): 86172784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 92857, 185714, 371428, 464285, 649999, 742856, 928570, 1299998, 1485712, 1857140, 2599996, 3249995, 3714280, 5199992, 6499990, 7428560, 10399984, 12999980, 25999960, 51999920]

約数ペア:

[(1, 51999920), (2, 25999960), (4, 12999980), (5, 10399984), (7, 7428560), (8, 6499990), (10, 5199992), (14, 3714280), (16, 3249995), (20, 2599996), (28, 1857140), (35, 1485712), (40, 1299998), (56, 928570), (70, 742856), (80, 649999), (112, 464285), (140, 371428), (280, 185714), (560, 92857)]