124480000

素因数分解:

$2^9\times 5^4\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 100

約数和(自身を含む): 311595570

約数和(自身を除く): 187115570

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, 512, 625, 640, 778, 800, 1000, 1250, 1280, 1556, 1600, 1945, 2000, 2500, 2560, 3112, 3200, 3890, 4000, 5000, 6224, 6400, 7780, 8000, 9725, 10000, 12448, 12800, 15560, 16000, 19450, 20000, 24896, 31120, 32000, 38900, 40000, 48625, 49792, 62240, 64000, 77800, 80000, 97250, 99584, 124480, 155600, 160000, 194500, 199168, 243125, 248960, 311200, 320000, 389000, 486250, 497920, 622400, 778000, 972500, 995840, 1244800, 1556000, 1945000, 2489600, 3112000, 3890000, 4979200, 6224000, 7780000, 12448000, 15560000, 24896000, 31120000, 62240000, 124480000]

約数ペア:

[(1, 124480000), (2, 62240000), (4, 31120000), (5, 24896000), (8, 15560000), (10, 12448000), (16, 7780000), (20, 6224000), (25, 4979200), (32, 3890000), (40, 3112000), (50, 2489600), (64, 1945000), (80, 1556000), (100, 1244800), (125, 995840), (128, 972500), (160, 778000), (200, 622400), (250, 497920), (256, 486250), (320, 389000), (389, 320000), (400, 311200), (500, 248960), (512, 243125), (625, 199168), (640, 194500), (778, 160000), (800, 155600), (1000, 124480), (1250, 99584), (1280, 97250), (1556, 80000), (1600, 77800), (1945, 64000), (2000, 62240), (2500, 49792), (2560, 48625), (3112, 40000), (3200, 38900), (3890, 32000), (4000, 31120), (5000, 24896), (6224, 20000), (6400, 19450), (7780, 16000), (8000, 15560), (9725, 12800), (10000, 12448)]