2019425000

素因数分解:

$2^3\times 5^5\times {\mathrm{80777}}^1$

素因数の和:80808

約数の個数: 48

約数和(自身を含む): 4732783020

約数和(自身を除く): 2713358020

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3125, 5000, 6250, 12500, 25000, 80777, 161554, 323108, 403885, 646216, 807770, 1615540, 2019425, 3231080, 4038850, 8077700, 10097125, 16155400, 20194250, 40388500, 50485625, 80777000, 100971250, 201942500, 252428125, 403885000, 504856250, 1009712500, 2019425000]

約数ペア:

[(1, 2019425000), (2, 1009712500), (4, 504856250), (5, 403885000), (8, 252428125), (10, 201942500), (20, 100971250), (25, 80777000), (40, 50485625), (50, 40388500), (100, 20194250), (125, 16155400), (200, 10097125), (250, 8077700), (500, 4038850), (625, 3231080), (1000, 2019425), (1250, 1615540), (2500, 807770), (3125, 646216), (5000, 403885), (6250, 323108), (12500, 161554), (25000, 80777)]