12448000

素因数分解:

$2^8\times 5^3\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 31089240

約数和(自身を除く): 18641240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 389, 400, 500, 640, 778, 800, 1000, 1280, 1556, 1600, 1945, 2000, 3112, 3200, 3890, 4000, 6224, 6400, 7780, 8000, 9725, 12448, 15560, 16000, 19450, 24896, 31120, 32000, 38900, 48625, 49792, 62240, 77800, 97250, 99584, 124480, 155600, 194500, 248960, 311200, 389000, 497920, 622400, 778000, 1244800, 1556000, 2489600, 3112000, 6224000, 12448000]

約数ペア:

[(1, 12448000), (2, 6224000), (4, 3112000), (5, 2489600), (8, 1556000), (10, 1244800), (16, 778000), (20, 622400), (25, 497920), (32, 389000), (40, 311200), (50, 248960), (64, 194500), (80, 155600), (100, 124480), (125, 99584), (128, 97250), (160, 77800), (200, 62240), (250, 49792), (256, 48625), (320, 38900), (389, 32000), (400, 31120), (500, 24896), (640, 19450), (778, 16000), (800, 15560), (1000, 12448), (1280, 9725), (1556, 8000), (1600, 7780), (1945, 6400), (2000, 6224), (3112, 4000), (3200, 3890)]