25431560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 49218040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 359, 385, 440, 460, 506, 616, 644, 718, 770, 805, 920, 1012, 1265, 1288, 1436, 1540, 1610, 1771, 1795, 2024, 2513, 2530, 2872, 3080, 3220, 3542, 3590, 3949, 5026, 5060, 6440, 7084, 7180, 7898, 8257, 8855, 10052, 10120, 12565, 14168, 14360, 15796, 16514, 17710, 19745, 20104, 25130, 27643, 31592, 33028, 35420, 39490, 41285, 50260, 55286, 57799, 66056, 70840, 78980, 82570, 90827, 100520, 110572, 115598, 138215, 157960, 165140, 181654, 221144, 231196, 276430, 288995, 330280, 363308, 454135, 462392, 552860, 577990, 635789, 726616, 908270, 1105720, 1155980, 1271578, 1816540, 2311960, 2543156, 3178945, 3633080, 5086312, 6357890, 12715780, 25431560]

約数ペア:

[(1, 25431560), (2, 12715780), (4, 6357890), (5, 5086312), (7, 3633080), (8, 3178945), (10, 2543156), (11, 2311960), (14, 1816540), (20, 1271578), (22, 1155980), (23, 1105720), (28, 908270), (35, 726616), (40, 635789), (44, 577990), (46, 552860), (55, 462392), (56, 454135), (70, 363308), (77, 330280), (88, 288995), (92, 276430), (110, 231196), (115, 221144), (140, 181654), (154, 165140), (161, 157960), (184, 138215), (220, 115598), (230, 110572), (253, 100520), (280, 90827), (308, 82570), (322, 78980), (359, 70840), (385, 66056), (440, 57799), (460, 55286), (506, 50260), (616, 41285), (644, 39490), (718, 35420), (770, 33028), (805, 31592), (920, 27643), (1012, 25130), (1265, 20104), (1288, 19745), (1436, 17710), (1540, 16514), (1610, 15796), (1771, 14360), (1795, 14168), (2024, 12565), (2513, 10120), (2530, 10052), (2872, 8855), (3080, 8257), (3220, 7898), (3542, 7180), (3590, 7084), (3949, 6440), (5026, 5060)]