39929120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 119968128

約数和(自身を除く): 80039008

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 463, 490, 539, 560, 616, 770, 784, 880, 926, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1852, 1960, 2156, 2315, 2464, 2695, 3080, 3241, 3704, 3920, 4312, 4630, 5093, 5390, 6160, 6482, 7408, 7840, 8624, 9260, 10186, 10780, 12320, 12964, 14816, 16205, 17248, 18520, 20372, 21560, 22687, 25465, 25928, 32410, 35651, 37040, 40744, 43120, 45374, 50930, 51856, 64820, 71302, 74080, 81488, 86240, 90748, 101860, 103712, 113435, 129640, 142604, 162976, 178255, 181496, 203720, 226870, 249557, 259280, 285208, 356510, 362992, 407440, 453740, 499114, 518560, 570416, 713020, 725984, 814880, 907480, 998228, 1140832, 1247785, 1426040, 1814960, 1996456, 2495570, 2852080, 3629920, 3992912, 4991140, 5704160, 7985824, 9982280, 19964560, 39929120]

約数ペア:

[(1, 39929120), (2, 19964560), (4, 9982280), (5, 7985824), (7, 5704160), (8, 4991140), (10, 3992912), (11, 3629920), (14, 2852080), (16, 2495570), (20, 1996456), (22, 1814960), (28, 1426040), (32, 1247785), (35, 1140832), (40, 998228), (44, 907480), (49, 814880), (55, 725984), (56, 713020), (70, 570416), (77, 518560), (80, 499114), (88, 453740), (98, 407440), (110, 362992), (112, 356510), (140, 285208), (154, 259280), (160, 249557), (176, 226870), (196, 203720), (220, 181496), (224, 178255), (245, 162976), (280, 142604), (308, 129640), (352, 113435), (385, 103712), (392, 101860), (440, 90748), (463, 86240), (490, 81488), (539, 74080), (560, 71302), (616, 64820), (770, 51856), (784, 50930), (880, 45374), (926, 43120), (980, 40744), (1078, 37040), (1120, 35651), (1232, 32410), (1540, 25928), (1568, 25465), (1760, 22687), (1852, 21560), (1960, 20372), (2156, 18520), (2315, 17248), (2464, 16205), (2695, 14816), (3080, 12964), (3241, 12320), (3704, 10780), (3920, 10186), (4312, 9260), (4630, 8624), (5093, 7840), (5390, 7408), (6160, 6482)]