40778902016

素因数分解:

$2^9\times {\mathrm{313}}^1\times {\mathrm{254461}}^1$

素因数の和:254792

約数の個数: 40

約数和(自身を含む): 81738792564

約数和(自身を除く): 40959890548

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 313, 512, 626, 1252, 2504, 5008, 10016, 20032, 40064, 80128, 160256, 254461, 508922, 1017844, 2035688, 4071376, 8142752, 16285504, 32571008, 65142016, 79646293, 130284032, 159292586, 318585172, 637170344, 1274340688, 2548681376, 5097362752, 10194725504, 20389451008, 40778902016]

約数ペア:

[(1, 40778902016), (2, 20389451008), (4, 10194725504), (8, 5097362752), (16, 2548681376), (32, 1274340688), (64, 637170344), (128, 318585172), (256, 159292586), (313, 130284032), (512, 79646293), (626, 65142016), (1252, 32571008), (2504, 16285504), (5008, 8142752), (10016, 4071376), (20032, 2035688), (40064, 1017844), (80128, 508922), (160256, 254461)]