25993660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16879}}^1$

素因数の和:16906

約数の個数: 48

約数和(自身を含む): 68060160

約数和(自身を除く): 42066500

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, 16879, 33758, 67516, 84395, 118153, 168790, 185669, 236306, 337580, 371338, 472612, 590765, 742676, 928345, 1181530, 1299683, 1856690, 2363060, 2599366, 3713380, 5198732, 6498415, 12996830, 25993660]

約数ペア:

[(1, 25993660), (2, 12996830), (4, 6498415), (5, 5198732), (7, 3713380), (10, 2599366), (11, 2363060), (14, 1856690), (20, 1299683), (22, 1181530), (28, 928345), (35, 742676), (44, 590765), (55, 472612), (70, 371338), (77, 337580), (110, 236306), (140, 185669), (154, 168790), (220, 118153), (308, 84395), (385, 67516), (770, 33758), (1540, 16879)]