25968775

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 41983920

約数和(自身を除く): 16015145

約数列:

[1, 5, 7, 17, 25, 29, 35, 43, 49, 85, 119, 145, 175, 203, 215, 245, 301, 425, 493, 595, 725, 731, 833, 1015, 1075, 1225, 1247, 1421, 1505, 2107, 2465, 2975, 3451, 3655, 4165, 5075, 5117, 6235, 7105, 7525, 8729, 10535, 12325, 17255, 18275, 20825, 21199, 24157, 25585, 31175, 35525, 35819, 43645, 52675, 61103, 86275, 105995, 120785, 127925, 148393, 179095, 218225, 305515, 529975, 603925, 741965, 895475, 1038751, 1527575, 3709825, 5193755, 25968775]

約数ペア:

[(1, 25968775), (5, 5193755), (7, 3709825), (17, 1527575), (25, 1038751), (29, 895475), (35, 741965), (43, 603925), (49, 529975), (85, 305515), (119, 218225), (145, 179095), (175, 148393), (203, 127925), (215, 120785), (245, 105995), (301, 86275), (425, 61103), (493, 52675), (595, 43645), (725, 35819), (731, 35525), (833, 31175), (1015, 25585), (1075, 24157), (1225, 21199), (1247, 20825), (1421, 18275), (1505, 17255), (2107, 12325), (2465, 10535), (2975, 8729), (3451, 7525), (3655, 7105), (4165, 6235), (5075, 5117)]