124480

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1$

素因数の和:406

約数の個数: 28

約数和(自身を含む): 297180

約数和(自身を除く): 172700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 24896, 31120, 62240, 124480]

約数ペア:

[(1, 124480), (2, 62240), (4, 31120), (5, 24896), (8, 15560), (10, 12448), (16, 7780), (20, 6224), (32, 3890), (40, 3112), (64, 1945), (80, 1556), (160, 778), (320, 389)]