68480000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 110

約数和(自身を含む): 172660356

約数和(自身を除く): 104180356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 125, 128, 160, 200, 214, 250, 256, 320, 400, 428, 500, 512, 535, 625, 640, 800, 856, 1000, 1024, 1070, 1250, 1280, 1600, 1712, 2000, 2140, 2500, 2560, 2675, 3200, 3424, 4000, 4280, 5000, 5120, 5350, 6400, 6848, 8000, 8560, 10000, 10700, 12800, 13375, 13696, 16000, 17120, 20000, 21400, 25600, 26750, 27392, 32000, 34240, 40000, 42800, 53500, 54784, 64000, 66875, 68480, 80000, 85600, 107000, 109568, 128000, 133750, 136960, 160000, 171200, 214000, 267500, 273920, 320000, 342400, 428000, 535000, 547840, 640000, 684800, 856000, 1070000, 1369600, 1712000, 2140000, 2739200, 3424000, 4280000, 6848000, 8560000, 13696000, 17120000, 34240000, 68480000]

約数ペア:

[(1, 68480000), (2, 34240000), (4, 17120000), (5, 13696000), (8, 8560000), (10, 6848000), (16, 4280000), (20, 3424000), (25, 2739200), (32, 2140000), (40, 1712000), (50, 1369600), (64, 1070000), (80, 856000), (100, 684800), (107, 640000), (125, 547840), (128, 535000), (160, 428000), (200, 342400), (214, 320000), (250, 273920), (256, 267500), (320, 214000), (400, 171200), (428, 160000), (500, 136960), (512, 133750), (535, 128000), (625, 109568), (640, 107000), (800, 85600), (856, 80000), (1000, 68480), (1024, 66875), (1070, 64000), (1250, 54784), (1280, 53500), (1600, 42800), (1712, 40000), (2000, 34240), (2140, 32000), (2500, 27392), (2560, 26750), (2675, 25600), (3200, 21400), (3424, 20000), (4000, 17120), (4280, 16000), (5000, 13696), (5120, 13375), (5350, 12800), (6400, 10700), (6848, 10000), (8000, 8560)]