89728990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8737}}^1$

素因数の和:8836

約数の個数: 32

約数和(自身を含む): 176158080

約数和(自身を除く): 86429090

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 8737, 10270, 17474, 43685, 87370, 113581, 227162, 567905, 690223, 1135810, 1380446, 3451115, 6902230, 8972899, 17945798, 44864495, 89728990]

約数ペア:

[(1, 89728990), (2, 44864495), (5, 17945798), (10, 8972899), (13, 6902230), (26, 3451115), (65, 1380446), (79, 1135810), (130, 690223), (158, 567905), (395, 227162), (790, 113581), (1027, 87370), (2054, 43685), (5135, 17474), (8737, 10270)]