25219040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 78382080

約数和(自身を除く): 53163040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 89, 92, 110, 112, 115, 140, 154, 160, 161, 176, 178, 184, 220, 224, 230, 253, 280, 308, 322, 352, 356, 368, 385, 440, 445, 460, 506, 560, 616, 623, 644, 712, 736, 770, 805, 880, 890, 920, 979, 1012, 1120, 1232, 1246, 1265, 1288, 1424, 1540, 1610, 1760, 1771, 1780, 1840, 1958, 2024, 2047, 2464, 2492, 2530, 2576, 2848, 3080, 3115, 3220, 3542, 3560, 3680, 3916, 4048, 4094, 4895, 4984, 5060, 5152, 6160, 6230, 6440, 6853, 7084, 7120, 7832, 8096, 8188, 8855, 9790, 9968, 10120, 10235, 12320, 12460, 12880, 13706, 14168, 14240, 14329, 15664, 16376, 17710, 19580, 19936, 20240, 20470, 22517, 24920, 25760, 27412, 28336, 28658, 31328, 32752, 34265, 35420, 39160, 40480, 40940, 45034, 49840, 54824, 56672, 57316, 65504, 68530, 70840, 71645, 78320, 81880, 90068, 99680, 109648, 112585, 114632, 137060, 141680, 143290, 156640, 157619, 163760, 180136, 219296, 225170, 229264, 274120, 283360, 286580, 315238, 327520, 360272, 450340, 458528, 548240, 573160, 630476, 720544, 788095, 900680, 1096480, 1146320, 1260952, 1576190, 1801360, 2292640, 2521904, 3152380, 3602720, 5043808, 6304760, 12609520, 25219040]

約数ペア:

[(1, 25219040), (2, 12609520), (4, 6304760), (5, 5043808), (7, 3602720), (8, 3152380), (10, 2521904), (11, 2292640), (14, 1801360), (16, 1576190), (20, 1260952), (22, 1146320), (23, 1096480), (28, 900680), (32, 788095), (35, 720544), (40, 630476), (44, 573160), (46, 548240), (55, 458528), (56, 450340), (70, 360272), (77, 327520), (80, 315238), (88, 286580), (89, 283360), (92, 274120), (110, 229264), (112, 225170), (115, 219296), (140, 180136), (154, 163760), (160, 157619), (161, 156640), (176, 143290), (178, 141680), (184, 137060), (220, 114632), (224, 112585), (230, 109648), (253, 99680), (280, 90068), (308, 81880), (322, 78320), (352, 71645), (356, 70840), (368, 68530), (385, 65504), (440, 57316), (445, 56672), (460, 54824), (506, 49840), (560, 45034), (616, 40940), (623, 40480), (644, 39160), (712, 35420), (736, 34265), (770, 32752), (805, 31328), (880, 28658), (890, 28336), (920, 27412), (979, 25760), (1012, 24920), (1120, 22517), (1232, 20470), (1246, 20240), (1265, 19936), (1288, 19580), (1424, 17710), (1540, 16376), (1610, 15664), (1760, 14329), (1771, 14240), (1780, 14168), (1840, 13706), (1958, 12880), (2024, 12460), (2047, 12320), (2464, 10235), (2492, 10120), (2530, 9968), (2576, 9790), (2848, 8855), (3080, 8188), (3115, 8096), (3220, 7832), (3542, 7120), (3560, 7084), (3680, 6853), (3916, 6440), (4048, 6230), (4094, 6160), (4895, 5152), (4984, 5060)]