49980220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{25763}}^1$

素因数の和:25869

約数の個数: 24

約数和(自身を含む): 106044624

約数和(自身を除く): 56064404

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 25763, 51526, 103052, 128815, 257630, 515260, 2499011, 4998022, 9996044, 12495055, 24990110, 49980220]

約数ペア:

[(1, 49980220), (2, 24990110), (4, 12495055), (5, 9996044), (10, 4998022), (20, 2499011), (97, 515260), (194, 257630), (388, 128815), (485, 103052), (970, 51526), (1940, 25763)]