1601000

素因数分解:

$2^3\times 5^3\times {\mathrm{1601}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 3748680

約数和(自身を除く): 2147680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1601, 3202, 6404, 8005, 12808, 16010, 32020, 40025, 64040, 80050, 160100, 200125, 320200, 400250, 800500, 1601000]

約数ペア:

[(1, 1601000), (2, 800500), (4, 400250), (5, 320200), (8, 200125), (10, 160100), (20, 80050), (25, 64040), (40, 40025), (50, 32020), (100, 16010), (125, 12808), (200, 8005), (250, 6404), (500, 3202), (1000, 1601)]