2010201980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{15629}}^1$

素因数の和:15806

約数の個数: 48

約数和(自身を含む): 4332636000

約数和(自身を除く): 2322434020

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 218, 236, 295, 436, 545, 590, 1090, 1180, 2180, 6431, 12862, 15629, 25724, 31258, 32155, 62516, 64310, 78145, 128620, 156290, 312580, 922111, 1703561, 1844222, 3407122, 3688444, 4610555, 6814244, 8517805, 9221110, 17035610, 18442220, 34071220, 100510099, 201020198, 402040396, 502550495, 1005100990, 2010201980]

約数ペア:

[(1, 2010201980), (2, 1005100990), (4, 502550495), (5, 402040396), (10, 201020198), (20, 100510099), (59, 34071220), (109, 18442220), (118, 17035610), (218, 9221110), (236, 8517805), (295, 6814244), (436, 4610555), (545, 3688444), (590, 3407122), (1090, 1844222), (1180, 1703561), (2180, 922111), (6431, 312580), (12862, 156290), (15629, 128620), (25724, 78145), (31258, 64310), (32155, 62516)]