25439728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 51559200

約数和(自身を除く): 26119472

約数列:

[1, 2, 4, 8, 16, 29, 58, 109, 116, 218, 232, 436, 464, 503, 872, 1006, 1744, 2012, 3161, 4024, 6322, 8048, 12644, 14587, 25288, 29174, 50576, 54827, 58348, 109654, 116696, 219308, 233392, 438616, 877232, 1589983, 3179966, 6359932, 12719864, 25439728]

約数ペア:

[(1, 25439728), (2, 12719864), (4, 6359932), (8, 3179966), (16, 1589983), (29, 877232), (58, 438616), (109, 233392), (116, 219308), (218, 116696), (232, 109654), (436, 58348), (464, 54827), (503, 50576), (872, 29174), (1006, 25288), (1744, 14587), (2012, 12644), (3161, 8048), (4024, 6322)]