21964480

素因数分解:

$2^6\times 5^1\times {\mathrm{68639}}^1$

素因数の和:68656

約数の個数: 28

約数和(自身を含む): 52303680

約数和(自身を除く): 30339200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68639, 137278, 274556, 343195, 549112, 686390, 1098224, 1372780, 2196448, 2745560, 4392896, 5491120, 10982240, 21964480]

約数ペア:

[(1, 21964480), (2, 10982240), (4, 5491120), (5, 4392896), (8, 2745560), (10, 2196448), (16, 1372780), (20, 1098224), (32, 686390), (40, 549112), (64, 343195), (80, 274556), (160, 137278), (320, 68639)]