25989872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 31863568

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 47, 68, 76, 94, 107, 136, 152, 188, 214, 272, 304, 323, 376, 428, 646, 752, 799, 856, 893, 1292, 1598, 1712, 1786, 1819, 2033, 2584, 3196, 3572, 3638, 4066, 5029, 5168, 6392, 7144, 7276, 8132, 10058, 12784, 14288, 14552, 15181, 16264, 20116, 29104, 30362, 32528, 34561, 40232, 60724, 69122, 80464, 85493, 95551, 121448, 138244, 170986, 191102, 242896, 276488, 341972, 382204, 552976, 683944, 764408, 1367888, 1528816, 1624367, 3248734, 6497468, 12994936, 25989872]

約数ペア:

[(1, 25989872), (2, 12994936), (4, 6497468), (8, 3248734), (16, 1624367), (17, 1528816), (19, 1367888), (34, 764408), (38, 683944), (47, 552976), (68, 382204), (76, 341972), (94, 276488), (107, 242896), (136, 191102), (152, 170986), (188, 138244), (214, 121448), (272, 95551), (304, 85493), (323, 80464), (376, 69122), (428, 60724), (646, 40232), (752, 34561), (799, 32528), (856, 30362), (893, 29104), (1292, 20116), (1598, 16264), (1712, 15181), (1786, 14552), (1819, 14288), (2033, 12784), (2584, 10058), (3196, 8132), (3572, 7276), (3638, 7144), (4066, 6392), (5029, 5168)]