2078753780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{1297}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 4410126336

約数和(自身を除く): 2331372556

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 631, 635, 1262, 1270, 1297, 2524, 2540, 2594, 3155, 5188, 6310, 6485, 12620, 12970, 25940, 80137, 160274, 164719, 320548, 329438, 400685, 658876, 801370, 818407, 823595, 1602740, 1636814, 1647190, 3273628, 3294380, 4092035, 8184070, 16368140, 103937689, 207875378, 415750756, 519688445, 1039376890, 2078753780]

約数ペア:

[(1, 2078753780), (2, 1039376890), (4, 519688445), (5, 415750756), (10, 207875378), (20, 103937689), (127, 16368140), (254, 8184070), (508, 4092035), (631, 3294380), (635, 3273628), (1262, 1647190), (1270, 1636814), (1297, 1602740), (2524, 823595), (2540, 818407), (2594, 801370), (3155, 658876), (5188, 400685), (6310, 329438), (6485, 320548), (12620, 164719), (12970, 160274), (25940, 80137)]