25793827552

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{19991}}^1$

素因数の和:20723

約数の個数: 48

約数和(自身を含む): 51694753824

約数和(自身を除く): 25900926272

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 661, 976, 1322, 1952, 2644, 5288, 10576, 19991, 21152, 39982, 40321, 79964, 80642, 159928, 161284, 319856, 322568, 639712, 645136, 1219451, 1290272, 2438902, 4877804, 9755608, 13214051, 19511216, 26428102, 39022432, 52856204, 105712408, 211424816, 422849632, 806057111, 1612114222, 3224228444, 6448456888, 12896913776, 25793827552]

約数ペア:

[(1, 25793827552), (2, 12896913776), (4, 6448456888), (8, 3224228444), (16, 1612114222), (32, 806057111), (61, 422849632), (122, 211424816), (244, 105712408), (488, 52856204), (661, 39022432), (976, 26428102), (1322, 19511216), (1952, 13214051), (2644, 9755608), (5288, 4877804), (10576, 2438902), (19991, 1290272), (21152, 1219451), (39982, 645136), (40321, 639712), (79964, 322568), (80642, 319856), (159928, 161284)]