320200

素因数分解:

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

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 744930

約数和(自身を除く): 424730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1601, 3202, 6404, 8005, 12808, 16010, 32020, 40025, 64040, 80050, 160100, 320200]

約数ペア:

[(1, 320200), (2, 160100), (4, 80050), (5, 64040), (8, 40025), (10, 32020), (20, 16010), (25, 12808), (40, 8005), (50, 6404), (100, 3202), (200, 1601)]