2020794620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{52163}}^1$

素因数の和:52334

約数の個数: 48

約数和(自身を含む): 4600864800

約数和(自身を除く): 2580070180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 38740, 52163, 104326, 208652, 260815, 521630, 678119, 1043260, 1356238, 2712476, 3390595, 6781190, 7772287, 13562380, 15544574, 31089148, 38861435, 77722870, 101039731, 155445740, 202079462, 404158924, 505198655, 1010397310, 2020794620]

約数ペア:

[(1, 2020794620), (2, 1010397310), (4, 505198655), (5, 404158924), (10, 202079462), (13, 155445740), (20, 101039731), (26, 77722870), (52, 38861435), (65, 31089148), (130, 15544574), (149, 13562380), (260, 7772287), (298, 6781190), (596, 3390595), (745, 2712476), (1490, 1356238), (1937, 1043260), (2980, 678119), (3874, 521630), (7748, 260815), (9685, 208652), (19370, 104326), (38740, 52163)]