40001248

素因数分解:

$2^5\times 7^2\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 92906352

約数和(自身を除く): 52905104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 97, 98, 112, 194, 196, 224, 263, 388, 392, 526, 679, 776, 784, 1052, 1358, 1552, 1568, 1841, 2104, 2716, 3104, 3682, 4208, 4753, 5432, 7364, 8416, 9506, 10864, 12887, 14728, 19012, 21728, 25511, 25774, 29456, 38024, 51022, 51548, 58912, 76048, 102044, 103096, 152096, 178577, 204088, 206192, 357154, 408176, 412384, 714308, 816352, 1250039, 1428616, 2500078, 2857232, 5000156, 5714464, 10000312, 20000624, 40001248]

約数ペア:

[(1, 40001248), (2, 20000624), (4, 10000312), (7, 5714464), (8, 5000156), (14, 2857232), (16, 2500078), (28, 1428616), (32, 1250039), (49, 816352), (56, 714308), (97, 412384), (98, 408176), (112, 357154), (194, 206192), (196, 204088), (224, 178577), (263, 152096), (388, 103096), (392, 102044), (526, 76048), (679, 58912), (776, 51548), (784, 51022), (1052, 38024), (1358, 29456), (1552, 25774), (1568, 25511), (1841, 21728), (2104, 19012), (2716, 14728), (3104, 12887), (3682, 10864), (4208, 9506), (4753, 8416), (5432, 7364)]