66291140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 143782464

約数和(自身を除く): 77491324

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 811, 1220, 1340, 1622, 3244, 4055, 4087, 8110, 8174, 16220, 16348, 20435, 40870, 49471, 54337, 81740, 98942, 108674, 197884, 217348, 247355, 271685, 494710, 543370, 989420, 1086740, 3314557, 6629114, 13258228, 16572785, 33145570, 66291140]

約数ペア:

[(1, 66291140), (2, 33145570), (4, 16572785), (5, 13258228), (10, 6629114), (20, 3314557), (61, 1086740), (67, 989420), (122, 543370), (134, 494710), (244, 271685), (268, 247355), (305, 217348), (335, 197884), (610, 108674), (670, 98942), (811, 81740), (1220, 54337), (1340, 49471), (1622, 40870), (3244, 20435), (4055, 16348), (4087, 16220), (8110, 8174)]