25261880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 40540360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1087, 1162, 1660, 2174, 2324, 2905, 3320, 4348, 4648, 5435, 5810, 7609, 8696, 10870, 11620, 15218, 21740, 23240, 30436, 38045, 43480, 60872, 76090, 90221, 152180, 180442, 304360, 360884, 451105, 631547, 721768, 902210, 1263094, 1804420, 2526188, 3157735, 3608840, 5052376, 6315470, 12630940, 25261880]

約数ペア:

[(1, 25261880), (2, 12630940), (4, 6315470), (5, 5052376), (7, 3608840), (8, 3157735), (10, 2526188), (14, 1804420), (20, 1263094), (28, 902210), (35, 721768), (40, 631547), (56, 451105), (70, 360884), (83, 304360), (140, 180442), (166, 152180), (280, 90221), (332, 76090), (415, 60872), (581, 43480), (664, 38045), (830, 30436), (1087, 23240), (1162, 21740), (1660, 15218), (2174, 11620), (2324, 10870), (2905, 8696), (3320, 7609), (4348, 5810), (4648, 5435)]