25756700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 60152400

約数和(自身を除く): 34395700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 109, 139, 170, 218, 278, 340, 425, 436, 545, 556, 695, 850, 1090, 1390, 1700, 1853, 2180, 2363, 2725, 2780, 3475, 3706, 4726, 5450, 6950, 7412, 9265, 9452, 10900, 11815, 13900, 15151, 18530, 23630, 30302, 37060, 46325, 47260, 59075, 60604, 75755, 92650, 118150, 151510, 185300, 236300, 257567, 303020, 378775, 515134, 757550, 1030268, 1287835, 1515100, 2575670, 5151340, 6439175, 12878350, 25756700]

約数ペア:

[(1, 25756700), (2, 12878350), (4, 6439175), (5, 5151340), (10, 2575670), (17, 1515100), (20, 1287835), (25, 1030268), (34, 757550), (50, 515134), (68, 378775), (85, 303020), (100, 257567), (109, 236300), (139, 185300), (170, 151510), (218, 118150), (278, 92650), (340, 75755), (425, 60604), (436, 59075), (545, 47260), (556, 46325), (695, 37060), (850, 30302), (1090, 23630), (1390, 18530), (1700, 15151), (1853, 13900), (2180, 11815), (2363, 10900), (2725, 9452), (2780, 9265), (3475, 7412), (3706, 6950), (4726, 5450)]