25129720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 47446280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 199, 205, 220, 280, 287, 308, 328, 385, 398, 410, 440, 451, 574, 616, 770, 796, 820, 902, 995, 1148, 1393, 1435, 1540, 1592, 1640, 1804, 1990, 2189, 2255, 2296, 2786, 2870, 3080, 3157, 3608, 3980, 4378, 4510, 5572, 5740, 6314, 6965, 7960, 8159, 8756, 9020, 10945, 11144, 11480, 12628, 13930, 15323, 15785, 16318, 17512, 18040, 21890, 25256, 27860, 30646, 31570, 32636, 40795, 43780, 55720, 57113, 61292, 63140, 65272, 76615, 81590, 87560, 89749, 114226, 122584, 126280, 153230, 163180, 179498, 228452, 285565, 306460, 326360, 358996, 448745, 456904, 571130, 612920, 628243, 717992, 897490, 1142260, 1256486, 1794980, 2284520, 2512972, 3141215, 3589960, 5025944, 6282430, 12564860, 25129720]

約数ペア:

[(1, 25129720), (2, 12564860), (4, 6282430), (5, 5025944), (7, 3589960), (8, 3141215), (10, 2512972), (11, 2284520), (14, 1794980), (20, 1256486), (22, 1142260), (28, 897490), (35, 717992), (40, 628243), (41, 612920), (44, 571130), (55, 456904), (56, 448745), (70, 358996), (77, 326360), (82, 306460), (88, 285565), (110, 228452), (140, 179498), (154, 163180), (164, 153230), (199, 126280), (205, 122584), (220, 114226), (280, 89749), (287, 87560), (308, 81590), (328, 76615), (385, 65272), (398, 63140), (410, 61292), (440, 57113), (451, 55720), (574, 43780), (616, 40795), (770, 32636), (796, 31570), (820, 30646), (902, 27860), (995, 25256), (1148, 21890), (1393, 18040), (1435, 17512), (1540, 16318), (1592, 15785), (1640, 15323), (1804, 13930), (1990, 12628), (2189, 11480), (2255, 11144), (2296, 10945), (2786, 9020), (2870, 8756), (3080, 8159), (3157, 7960), (3608, 6965), (3980, 6314), (4378, 5740), (4510, 5572)]