840200

素因数分解:

$2^3\times 5^2\times {\mathrm{4201}}^1$

素因数の和:4217

約数の個数: 24

約数和(自身を含む): 1953930

約数和(自身を除く): 1113730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 4201, 8402, 16804, 21005, 33608, 42010, 84020, 105025, 168040, 210050, 420100, 840200]

約数ペア:

[(1, 840200), (2, 420100), (4, 210050), (5, 168040), (8, 105025), (10, 84020), (20, 42010), (25, 33608), (40, 21005), (50, 16804), (100, 8402), (200, 4201)]