68220080

素因数分解:

$2^4\times 5^1\times {\mathrm{852751}}^1$

素因数の和:852764

約数の個数: 20

約数和(自身を含む): 158611872

約数和(自身を除く): 90391792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 852751, 1705502, 3411004, 4263755, 6822008, 8527510, 13644016, 17055020, 34110040, 68220080]

約数ペア:

[(1, 68220080), (2, 34110040), (4, 17055020), (5, 13644016), (8, 8527510), (10, 6822008), (16, 4263755), (20, 3411004), (40, 1705502), (80, 852751)]