2009960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 4573800

約数和(自身を除く): 2563840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 461, 545, 872, 922, 1090, 1844, 2180, 2305, 3688, 4360, 4610, 9220, 18440, 50249, 100498, 200996, 251245, 401992, 502490, 1004980, 2009960]

約数ペア:

[(1, 2009960), (2, 1004980), (4, 502490), (5, 401992), (8, 251245), (10, 200996), (20, 100498), (40, 50249), (109, 18440), (218, 9220), (436, 4610), (461, 4360), (545, 3688), (872, 2305), (922, 2180), (1090, 1844)]