25999960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{92857}}^1$

素因数の和:92875

約数の個数: 32

約数和(自身を含む): 66857760

約数和(自身を除く): 40857800

約数列:

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

約数ペア:

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