25948020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61781}}^1$

素因数の和:61800

約数の個数: 48

約数和(自身を含む): 83035008

約数和(自身を除く): 57086988

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, 61781, 123562, 185343, 247124, 308905, 370686, 432467, 617810, 741372, 864934, 926715, 1235620, 1297401, 1729868, 1853430, 2162335, 2594802, 3706860, 4324670, 5189604, 6487005, 8649340, 12974010, 25948020]

約数ペア:

[(1, 25948020), (2, 12974010), (3, 8649340), (4, 6487005), (5, 5189604), (6, 4324670), (7, 3706860), (10, 2594802), (12, 2162335), (14, 1853430), (15, 1729868), (20, 1297401), (21, 1235620), (28, 926715), (30, 864934), (35, 741372), (42, 617810), (60, 432467), (70, 370686), (84, 308905), (105, 247124), (140, 185343), (210, 123562), (420, 61781)]