2008661620180

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{197314501}}^1$

素因数の和:197315019

約数の個数: 24

約数和(自身を含む): 4226476632840

約数和(自身を除く): 2217815012660

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 197314501, 394629002, 789258004, 986572505, 1973145010, 3946290020, 100433081009, 200866162018, 401732324036, 502165405045, 1004330810090, 2008661620180]

約数ペア:

[(1, 2008661620180), (2, 1004330810090), (4, 502165405045), (5, 401732324036), (10, 200866162018), (20, 100433081009), (509, 3946290020), (1018, 1973145010), (2036, 986572505), (2545, 789258004), (5090, 394629002), (10180, 197314501)]