25661720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2477}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 67798080

約数和(自身を除く): 42136360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2477, 2590, 4954, 5180, 9908, 10360, 12385, 17339, 19816, 24770, 34678, 49540, 69356, 86695, 91649, 99080, 138712, 173390, 183298, 346780, 366596, 458245, 641543, 693560, 733192, 916490, 1283086, 1832980, 2566172, 3207715, 3665960, 5132344, 6415430, 12830860, 25661720]

約数ペア:

[(1, 25661720), (2, 12830860), (4, 6415430), (5, 5132344), (7, 3665960), (8, 3207715), (10, 2566172), (14, 1832980), (20, 1283086), (28, 916490), (35, 733192), (37, 693560), (40, 641543), (56, 458245), (70, 366596), (74, 346780), (140, 183298), (148, 173390), (185, 138712), (259, 99080), (280, 91649), (296, 86695), (370, 69356), (518, 49540), (740, 34678), (1036, 24770), (1295, 19816), (1480, 17339), (2072, 12385), (2477, 10360), (2590, 9908), (4954, 5180)]