6398045380

素因数分解:

$2^2\times 5^1\times {\mathrm{319902269}}^1$

素因数の和:319902278

約数の個数: 12

約数和(自身を含む): 13435895340

約数和(自身を除く): 7037849960

約数列:

[1, 2, 4, 5, 10, 20, 319902269, 639804538, 1279609076, 1599511345, 3199022690, 6398045380]

約数ペア:

[(1, 6398045380), (2, 3199022690), (4, 1599511345), (5, 1279609076), (10, 639804538), (20, 319902269)]