39980220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{95191}}^1$

素因数の和:95210

約数の個数: 48

約数和(自身を含む): 127938048

約数和(自身を除く): 87957828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 95191, 190382, 285573, 380764, 475955, 571146, 666337, 951910, 1142292, 1332674, 1427865, 1903820, 1999011, 2665348, 2855730, 3331685, 3998022, 5711460, 6663370, 7996044, 9995055, 13326740, 19990110, 39980220]

約数ペア:

[(1, 39980220), (2, 19990110), (3, 13326740), (4, 9995055), (5, 7996044), (6, 6663370), (7, 5711460), (10, 3998022), (12, 3331685), (14, 2855730), (15, 2665348), (20, 1999011), (21, 1903820), (28, 1427865), (30, 1332674), (35, 1142292), (42, 951910), (60, 666337), (70, 571146), (84, 475955), (105, 380764), (140, 285573), (210, 190382), (420, 95191)]