39420416

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 80

約数和(自身を含む): 95458176

約数和(自身を除く): 56037760

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 647, 896, 952, 1088, 1294, 1792, 1904, 2176, 2588, 3584, 3808, 4352, 4529, 5176, 7616, 8704, 9058, 10352, 10999, 15232, 18116, 20704, 21998, 30464, 36232, 41408, 43996, 60928, 72464, 76993, 82816, 87992, 144928, 153986, 165632, 175984, 289856, 307972, 331264, 351968, 579712, 615944, 703936, 1159424, 1231888, 1407872, 2318848, 2463776, 2815744, 4927552, 5631488, 9855104, 19710208, 39420416]

約数ペア:

[(1, 39420416), (2, 19710208), (4, 9855104), (7, 5631488), (8, 4927552), (14, 2815744), (16, 2463776), (17, 2318848), (28, 1407872), (32, 1231888), (34, 1159424), (56, 703936), (64, 615944), (68, 579712), (112, 351968), (119, 331264), (128, 307972), (136, 289856), (224, 175984), (238, 165632), (256, 153986), (272, 144928), (448, 87992), (476, 82816), (512, 76993), (544, 72464), (647, 60928), (896, 43996), (952, 41408), (1088, 36232), (1294, 30464), (1792, 21998), (1904, 20704), (2176, 18116), (2588, 15232), (3584, 10999), (3808, 10352), (4352, 9058), (4529, 8704), (5176, 7616)]