25259080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 47316920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 139, 140, 154, 220, 236, 278, 280, 295, 308, 385, 413, 440, 472, 556, 590, 616, 649, 695, 770, 826, 973, 1112, 1180, 1298, 1390, 1529, 1540, 1652, 1946, 2065, 2360, 2596, 2780, 3058, 3080, 3245, 3304, 3892, 4130, 4543, 4865, 5192, 5560, 6116, 6490, 7645, 7784, 8201, 8260, 9086, 9730, 10703, 12232, 12980, 15290, 16402, 16520, 18172, 19460, 21406, 22715, 25960, 30580, 32804, 36344, 38920, 41005, 42812, 45430, 53515, 57407, 61160, 65608, 82010, 85624, 90211, 90860, 107030, 114814, 164020, 180422, 181720, 214060, 229628, 287035, 328040, 360844, 428120, 451055, 459256, 574070, 631477, 721688, 902110, 1148140, 1262954, 1804220, 2296280, 2525908, 3157385, 3608440, 5051816, 6314770, 12629540, 25259080]

約数ペア:

[(1, 25259080), (2, 12629540), (4, 6314770), (5, 5051816), (7, 3608440), (8, 3157385), (10, 2525908), (11, 2296280), (14, 1804220), (20, 1262954), (22, 1148140), (28, 902110), (35, 721688), (40, 631477), (44, 574070), (55, 459256), (56, 451055), (59, 428120), (70, 360844), (77, 328040), (88, 287035), (110, 229628), (118, 214060), (139, 181720), (140, 180422), (154, 164020), (220, 114814), (236, 107030), (278, 90860), (280, 90211), (295, 85624), (308, 82010), (385, 65608), (413, 61160), (440, 57407), (472, 53515), (556, 45430), (590, 42812), (616, 41005), (649, 38920), (695, 36344), (770, 32804), (826, 30580), (973, 25960), (1112, 22715), (1180, 21406), (1298, 19460), (1390, 18172), (1529, 16520), (1540, 16402), (1652, 15290), (1946, 12980), (2065, 12232), (2360, 10703), (2596, 9730), (2780, 9086), (3058, 8260), (3080, 8201), (3245, 7784), (3304, 7645), (3892, 6490), (4130, 6116), (4543, 5560), (4865, 5192)]