81078550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2791}}^1$

素因数の和:2893

約数の個数: 48

約数和(自身を含む): 174488832

約数和(自身を除く): 93410282

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 83, 166, 175, 350, 415, 581, 830, 1162, 2075, 2791, 2905, 4150, 5582, 5810, 13955, 14525, 19537, 27910, 29050, 39074, 69775, 97685, 139550, 195370, 231653, 463306, 488425, 976850, 1158265, 1621571, 2316530, 3243142, 5791325, 8107855, 11582650, 16215710, 40539275, 81078550]

約数ペア:

[(1, 81078550), (2, 40539275), (5, 16215710), (7, 11582650), (10, 8107855), (14, 5791325), (25, 3243142), (35, 2316530), (50, 1621571), (70, 1158265), (83, 976850), (166, 488425), (175, 463306), (350, 231653), (415, 195370), (581, 139550), (830, 97685), (1162, 69775), (2075, 39074), (2791, 29050), (2905, 27910), (4150, 19537), (5582, 14525), (5810, 13955)]