25471740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60647}}^1$

素因数の和:60666

約数の個数: 48

約数和(自身を含む): 81510912

約数和(自身を除く): 56039172

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, 60647, 121294, 181941, 242588, 303235, 363882, 424529, 606470, 727764, 849058, 909705, 1212940, 1273587, 1698116, 1819410, 2122645, 2547174, 3638820, 4245290, 5094348, 6367935, 8490580, 12735870, 25471740]

約数ペア:

[(1, 25471740), (2, 12735870), (3, 8490580), (4, 6367935), (5, 5094348), (6, 4245290), (7, 3638820), (10, 2547174), (12, 2122645), (14, 1819410), (15, 1698116), (20, 1273587), (21, 1212940), (28, 909705), (30, 849058), (35, 727764), (42, 606470), (60, 424529), (70, 363882), (84, 303235), (105, 242588), (140, 181941), (210, 121294), (420, 60647)]