99693820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25303}}^1$

素因数の和:25509

約数の個数: 24

約数和(自身を含む): 210428064

約数和(自身を除く): 110734244

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 25303, 50606, 101212, 126515, 253030, 506060, 4984691, 9969382, 19938764, 24923455, 49846910, 99693820]

約数ペア:

[(1, 99693820), (2, 49846910), (4, 24923455), (5, 19938764), (10, 9969382), (20, 4984691), (197, 506060), (394, 253030), (788, 126515), (985, 101212), (1970, 50606), (3940, 25303)]