80106640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7309}}^1$

素因数の和:7459

約数の個数: 40

約数和(自身を含む): 187633080

約数和(自身を除く): 107526440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 7309, 10960, 14618, 29236, 36545, 58472, 73090, 116944, 146180, 292360, 584720, 1001333, 2002666, 4005332, 5006665, 8010664, 10013330, 16021328, 20026660, 40053320, 80106640]

約数ペア:

[(1, 80106640), (2, 40053320), (4, 20026660), (5, 16021328), (8, 10013330), (10, 8010664), (16, 5006665), (20, 4005332), (40, 2002666), (80, 1001333), (137, 584720), (274, 292360), (548, 146180), (685, 116944), (1096, 73090), (1370, 58472), (2192, 36545), (2740, 29236), (5480, 14618), (7309, 10960)]