2004880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 4910400

約数和(自身を除く): 2905520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1319, 1520, 2638, 5276, 6595, 10552, 13190, 21104, 25061, 26380, 50122, 52760, 100244, 105520, 125305, 200488, 250610, 400976, 501220, 1002440, 2004880]

約数ペア:

[(1, 2004880), (2, 1002440), (4, 501220), (5, 400976), (8, 250610), (10, 200488), (16, 125305), (19, 105520), (20, 100244), (38, 52760), (40, 50122), (76, 26380), (80, 25061), (95, 21104), (152, 13190), (190, 10552), (304, 6595), (380, 5276), (760, 2638), (1319, 1520)]