25489380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60689}}^1$

素因数の和:60708

約数の個数: 48

約数和(自身を含む): 81567360

約数和(自身を除く): 56077980

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, 60689, 121378, 182067, 242756, 303445, 364134, 424823, 606890, 728268, 849646, 910335, 1213780, 1274469, 1699292, 1820670, 2124115, 2548938, 3641340, 4248230, 5097876, 6372345, 8496460, 12744690, 25489380]

約数ペア:

[(1, 25489380), (2, 12744690), (3, 8496460), (4, 6372345), (5, 5097876), (6, 4248230), (7, 3641340), (10, 2548938), (12, 2124115), (14, 1820670), (15, 1699292), (20, 1274469), (21, 1213780), (28, 910335), (30, 849646), (35, 728268), (42, 606890), (60, 424823), (70, 364134), (84, 303445), (105, 242756), (140, 182067), (210, 121378), (420, 60689)]