25744720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 37251248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 167, 188, 205, 235, 328, 334, 376, 410, 470, 656, 668, 752, 820, 835, 940, 1336, 1640, 1670, 1880, 1927, 2672, 3280, 3340, 3760, 3854, 6680, 6847, 7708, 7849, 9635, 13360, 13694, 15416, 15698, 19270, 27388, 30832, 31396, 34235, 38540, 39245, 54776, 62792, 68470, 77080, 78490, 109552, 125584, 136940, 154160, 156980, 273880, 313960, 321809, 547760, 627920, 643618, 1287236, 1609045, 2574472, 3218090, 5148944, 6436180, 12872360, 25744720]

約数ペア:

[(1, 25744720), (2, 12872360), (4, 6436180), (5, 5148944), (8, 3218090), (10, 2574472), (16, 1609045), (20, 1287236), (40, 643618), (41, 627920), (47, 547760), (80, 321809), (82, 313960), (94, 273880), (164, 156980), (167, 154160), (188, 136940), (205, 125584), (235, 109552), (328, 78490), (334, 77080), (376, 68470), (410, 62792), (470, 54776), (656, 39245), (668, 38540), (752, 34235), (820, 31396), (835, 30832), (940, 27388), (1336, 19270), (1640, 15698), (1670, 15416), (1880, 13694), (1927, 13360), (2672, 9635), (3280, 7849), (3340, 7708), (3760, 6847), (3854, 6680)]