25147760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 69223248

約数和(自身を除く): 44075488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 41, 44, 55, 68, 80, 82, 85, 88, 110, 136, 164, 170, 176, 187, 205, 220, 272, 328, 340, 374, 410, 440, 451, 656, 680, 697, 748, 820, 880, 902, 935, 1360, 1394, 1496, 1640, 1681, 1804, 1870, 2255, 2788, 2992, 3280, 3362, 3485, 3608, 3740, 4510, 5576, 6724, 6970, 7216, 7480, 7667, 8405, 9020, 11152, 13448, 13940, 14960, 15334, 16810, 18040, 18491, 26896, 27880, 28577, 30668, 33620, 36080, 36982, 38335, 55760, 57154, 61336, 67240, 73964, 76670, 92455, 114308, 122672, 134480, 142885, 147928, 153340, 184910, 228616, 285770, 295856, 306680, 314347, 369820, 457232, 571540, 613360, 628694, 739640, 1143080, 1257388, 1479280, 1571735, 2286160, 2514776, 3143470, 5029552, 6286940, 12573880, 25147760]

約数ペア:

[(1, 25147760), (2, 12573880), (4, 6286940), (5, 5029552), (8, 3143470), (10, 2514776), (11, 2286160), (16, 1571735), (17, 1479280), (20, 1257388), (22, 1143080), (34, 739640), (40, 628694), (41, 613360), (44, 571540), (55, 457232), (68, 369820), (80, 314347), (82, 306680), (85, 295856), (88, 285770), (110, 228616), (136, 184910), (164, 153340), (170, 147928), (176, 142885), (187, 134480), (205, 122672), (220, 114308), (272, 92455), (328, 76670), (340, 73964), (374, 67240), (410, 61336), (440, 57154), (451, 55760), (656, 38335), (680, 36982), (697, 36080), (748, 33620), (820, 30668), (880, 28577), (902, 27880), (935, 26896), (1360, 18491), (1394, 18040), (1496, 16810), (1640, 15334), (1681, 14960), (1804, 13940), (1870, 13448), (2255, 11152), (2788, 9020), (2992, 8405), (3280, 7667), (3362, 7480), (3485, 7216), (3608, 6970), (3740, 6724), (4510, 5576)]