145120000

素因数分解:

$2^8\times 5^4\times {\mathrm{907}}^1$

素因数の和:943

約数の個数: 90

約数和(自身を含む): 362374628

約数和(自身を除く): 217254628

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, 400, 500, 625, 640, 800, 907, 1000, 1250, 1280, 1600, 1814, 2000, 2500, 3200, 3628, 4000, 4535, 5000, 6400, 7256, 8000, 9070, 10000, 14512, 16000, 18140, 20000, 22675, 29024, 32000, 36280, 40000, 45350, 58048, 72560, 80000, 90700, 113375, 116096, 145120, 160000, 181400, 226750, 232192, 290240, 362800, 453500, 566875, 580480, 725600, 907000, 1133750, 1160960, 1451200, 1814000, 2267500, 2902400, 3628000, 4535000, 5804800, 7256000, 9070000, 14512000, 18140000, 29024000, 36280000, 72560000, 145120000]

約数ペア:

[(1, 145120000), (2, 72560000), (4, 36280000), (5, 29024000), (8, 18140000), (10, 14512000), (16, 9070000), (20, 7256000), (25, 5804800), (32, 4535000), (40, 3628000), (50, 2902400), (64, 2267500), (80, 1814000), (100, 1451200), (125, 1160960), (128, 1133750), (160, 907000), (200, 725600), (250, 580480), (256, 566875), (320, 453500), (400, 362800), (500, 290240), (625, 232192), (640, 226750), (800, 181400), (907, 160000), (1000, 145120), (1250, 116096), (1280, 113375), (1600, 90700), (1814, 80000), (2000, 72560), (2500, 58048), (3200, 45350), (3628, 40000), (4000, 36280), (4535, 32000), (5000, 29024), (6400, 22675), (7256, 20000), (8000, 18140), (9070, 16000), (10000, 14512)]