77531320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9839}}^1$

素因数の和:10047

約数の個数: 32

約数和(自身を含む): 175348800

約数和(自身を除く): 97817480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 9839, 19678, 39356, 49195, 78712, 98390, 196780, 393560, 1938283, 3876566, 7753132, 9691415, 15506264, 19382830, 38765660, 77531320]

約数ペア:

[(1, 77531320), (2, 38765660), (4, 19382830), (5, 15506264), (8, 9691415), (10, 7753132), (20, 3876566), (40, 1938283), (197, 393560), (394, 196780), (788, 98390), (985, 78712), (1576, 49195), (1970, 39356), (3940, 19678), (7880, 9839)]