25875080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 75202560

約数和(自身を除く): 49327480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 271, 280, 308, 310, 341, 385, 434, 440, 542, 616, 620, 682, 770, 868, 1084, 1085, 1240, 1355, 1364, 1540, 1705, 1736, 1897, 2168, 2170, 2387, 2710, 2728, 2981, 3080, 3410, 3794, 4340, 4774, 5420, 5962, 6820, 7588, 8401, 8680, 9485, 9548, 10840, 11924, 11935, 13640, 14905, 15176, 16802, 18970, 19096, 20867, 23848, 23870, 29810, 33604, 37940, 41734, 42005, 47740, 58807, 59620, 67208, 75880, 83468, 84010, 92411, 95480, 104335, 117614, 119240, 166936, 168020, 184822, 208670, 235228, 294035, 336040, 369644, 417340, 462055, 470456, 588070, 646877, 739288, 834680, 924110, 1176140, 1293754, 1848220, 2352280, 2587508, 3234385, 3696440, 5175016, 6468770, 12937540, 25875080]

約数ペア:

[(1, 25875080), (2, 12937540), (4, 6468770), (5, 5175016), (7, 3696440), (8, 3234385), (10, 2587508), (11, 2352280), (14, 1848220), (20, 1293754), (22, 1176140), (28, 924110), (31, 834680), (35, 739288), (40, 646877), (44, 588070), (55, 470456), (56, 462055), (62, 417340), (70, 369644), (77, 336040), (88, 294035), (110, 235228), (124, 208670), (140, 184822), (154, 168020), (155, 166936), (217, 119240), (220, 117614), (248, 104335), (271, 95480), (280, 92411), (308, 84010), (310, 83468), (341, 75880), (385, 67208), (434, 59620), (440, 58807), (542, 47740), (616, 42005), (620, 41734), (682, 37940), (770, 33604), (868, 29810), (1084, 23870), (1085, 23848), (1240, 20867), (1355, 19096), (1364, 18970), (1540, 16802), (1705, 15176), (1736, 14905), (1897, 13640), (2168, 11935), (2170, 11924), (2387, 10840), (2710, 9548), (2728, 9485), (2981, 8680), (3080, 8401), (3410, 7588), (3794, 6820), (4340, 5962), (4774, 5420)]