39966752

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 72

約数和(自身を含む): 93078720

約数和(自身を除く): 53111968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 284, 359, 392, 497, 568, 718, 784, 994, 1136, 1436, 1568, 1988, 2272, 2513, 2872, 3479, 3976, 5026, 5744, 6958, 7952, 10052, 11488, 13916, 15904, 17591, 20104, 25489, 27832, 35182, 40208, 50978, 55664, 70364, 80416, 101956, 111328, 140728, 178423, 203912, 281456, 356846, 407824, 562912, 713692, 815648, 1248961, 1427384, 2497922, 2854768, 4995844, 5709536, 9991688, 19983376, 39966752]

約数ペア:

[(1, 39966752), (2, 19983376), (4, 9991688), (7, 5709536), (8, 4995844), (14, 2854768), (16, 2497922), (28, 1427384), (32, 1248961), (49, 815648), (56, 713692), (71, 562912), (98, 407824), (112, 356846), (142, 281456), (196, 203912), (224, 178423), (284, 140728), (359, 111328), (392, 101956), (497, 80416), (568, 70364), (718, 55664), (784, 50978), (994, 40208), (1136, 35182), (1436, 27832), (1568, 25489), (1988, 20104), (2272, 17591), (2513, 15904), (2872, 13916), (3479, 11488), (3976, 10052), (5026, 7952), (5744, 6958)]