19407680

素因数分解:

$2^6\times 5^1\times {\mathrm{60649}}^1$

素因数の和:60666

約数の個数: 28

約数和(自身を含む): 46215300

約数和(自身を除く): 26807620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 60649, 121298, 242596, 303245, 485192, 606490, 970384, 1212980, 1940768, 2425960, 3881536, 4851920, 9703840, 19407680]

約数ペア:

[(1, 19407680), (2, 9703840), (4, 4851920), (5, 3881536), (8, 2425960), (10, 1940768), (16, 1212980), (20, 970384), (32, 606490), (40, 485192), (64, 303245), (80, 242596), (160, 121298), (320, 60649)]