16480000

素因数分解:

$2^8\times 5^4\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 90

約数和(自身を含む): 41505464

約数和(自身を除く): 25025464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 125, 128, 160, 200, 206, 250, 256, 320, 400, 412, 500, 515, 625, 640, 800, 824, 1000, 1030, 1250, 1280, 1600, 1648, 2000, 2060, 2500, 2575, 3200, 3296, 4000, 4120, 5000, 5150, 6400, 6592, 8000, 8240, 10000, 10300, 12875, 13184, 16000, 16480, 20000, 20600, 25750, 26368, 32000, 32960, 40000, 41200, 51500, 64375, 65920, 80000, 82400, 103000, 128750, 131840, 160000, 164800, 206000, 257500, 329600, 412000, 515000, 659200, 824000, 1030000, 1648000, 2060000, 3296000, 4120000, 8240000, 16480000]

約数ペア:

[(1, 16480000), (2, 8240000), (4, 4120000), (5, 3296000), (8, 2060000), (10, 1648000), (16, 1030000), (20, 824000), (25, 659200), (32, 515000), (40, 412000), (50, 329600), (64, 257500), (80, 206000), (100, 164800), (103, 160000), (125, 131840), (128, 128750), (160, 103000), (200, 82400), (206, 80000), (250, 65920), (256, 64375), (320, 51500), (400, 41200), (412, 40000), (500, 32960), (515, 32000), (625, 26368), (640, 25750), (800, 20600), (824, 20000), (1000, 16480), (1030, 16000), (1250, 13184), (1280, 12875), (1600, 10300), (1648, 10000), (2000, 8240), (2060, 8000), (2500, 6592), (2575, 6400), (3200, 5150), (3296, 5000), (4000, 4120)]