25611740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16631}}^1$

素因数の和:16658

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 41448484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16631, 33262, 66524, 83155, 116417, 166310, 182941, 232834, 332620, 365882, 465668, 582085, 731764, 914705, 1164170, 1280587, 1829410, 2328340, 2561174, 3658820, 5122348, 6402935, 12805870, 25611740]

約数ペア:

[(1, 25611740), (2, 12805870), (4, 6402935), (5, 5122348), (7, 3658820), (10, 2561174), (11, 2328340), (14, 1829410), (20, 1280587), (22, 1164170), (28, 914705), (35, 731764), (44, 582085), (55, 465668), (70, 365882), (77, 332620), (110, 232834), (140, 182941), (154, 166310), (220, 116417), (308, 83155), (385, 66524), (770, 33262), (1540, 16631)]