39978890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1319}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 82494720

約数和(自身を除く): 42515830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 866, 1319, 2165, 2638, 3031, 4330, 6062, 6595, 9233, 13190, 15155, 18466, 30310, 46165, 92330, 571127, 1142254, 2855635, 3997889, 5711270, 7995778, 19989445, 39978890]

約数ペア:

[(1, 39978890), (2, 19989445), (5, 7995778), (7, 5711270), (10, 3997889), (14, 2855635), (35, 1142254), (70, 571127), (433, 92330), (866, 46165), (1319, 30310), (2165, 18466), (2638, 15155), (3031, 13190), (4330, 9233), (6062, 6595)]