40219984

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 95421534

約数和(自身を除く): 55201550

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 61, 98, 112, 116, 122, 196, 203, 232, 244, 392, 406, 427, 464, 488, 784, 812, 841, 854, 976, 1421, 1624, 1682, 1708, 1769, 2842, 2989, 3248, 3364, 3416, 3538, 5684, 5887, 5978, 6728, 6832, 7076, 11368, 11774, 11956, 12383, 13456, 14152, 22736, 23548, 23912, 24766, 28304, 41209, 47096, 47824, 49532, 51301, 82418, 86681, 94192, 99064, 102602, 164836, 173362, 198128, 205204, 329672, 346724, 359107, 410408, 659344, 693448, 718214, 820816, 1386896, 1436428, 2513749, 2872856, 5027498, 5745712, 10054996, 20109992, 40219984]

約数ペア:

[(1, 40219984), (2, 20109992), (4, 10054996), (7, 5745712), (8, 5027498), (14, 2872856), (16, 2513749), (28, 1436428), (29, 1386896), (49, 820816), (56, 718214), (58, 693448), (61, 659344), (98, 410408), (112, 359107), (116, 346724), (122, 329672), (196, 205204), (203, 198128), (232, 173362), (244, 164836), (392, 102602), (406, 99064), (427, 94192), (464, 86681), (488, 82418), (784, 51301), (812, 49532), (841, 47824), (854, 47096), (976, 41209), (1421, 28304), (1624, 24766), (1682, 23912), (1708, 23548), (1769, 22736), (2842, 14152), (2989, 13456), (3248, 12383), (3364, 11956), (3416, 11774), (3538, 11368), (5684, 7076), (5887, 6832), (5978, 6728)]