1680400

素因数分解:

$2^4\times 5^2\times {\mathrm{4201}}^1$

素因数の和:4219

約数の個数: 30

約数和(自身を含む): 4038122

約数和(自身を除く): 2357722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4201, 8402, 16804, 21005, 33608, 42010, 67216, 84020, 105025, 168040, 210050, 336080, 420100, 840200, 1680400]

約数ペア:

[(1, 1680400), (2, 840200), (4, 420100), (5, 336080), (8, 210050), (10, 168040), (16, 105025), (20, 84020), (25, 67216), (40, 42010), (50, 33608), (80, 21005), (100, 16804), (200, 8402), (400, 4201)]