65920000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 110

約数和(自身を含む): 166265528

約数和(自身を除く): 100345528

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, 512, 515, 625, 640, 800, 824, 1000, 1024, 1030, 1250, 1280, 1600, 1648, 2000, 2060, 2500, 2560, 2575, 3200, 3296, 4000, 4120, 5000, 5120, 5150, 6400, 6592, 8000, 8240, 10000, 10300, 12800, 12875, 13184, 16000, 16480, 20000, 20600, 25600, 25750, 26368, 32000, 32960, 40000, 41200, 51500, 52736, 64000, 64375, 65920, 80000, 82400, 103000, 105472, 128000, 128750, 131840, 160000, 164800, 206000, 257500, 263680, 320000, 329600, 412000, 515000, 527360, 640000, 659200, 824000, 1030000, 1318400, 1648000, 2060000, 2636800, 3296000, 4120000, 6592000, 8240000, 13184000, 16480000, 32960000, 65920000]

約数ペア:

[(1, 65920000), (2, 32960000), (4, 16480000), (5, 13184000), (8, 8240000), (10, 6592000), (16, 4120000), (20, 3296000), (25, 2636800), (32, 2060000), (40, 1648000), (50, 1318400), (64, 1030000), (80, 824000), (100, 659200), (103, 640000), (125, 527360), (128, 515000), (160, 412000), (200, 329600), (206, 320000), (250, 263680), (256, 257500), (320, 206000), (400, 164800), (412, 160000), (500, 131840), (512, 128750), (515, 128000), (625, 105472), (640, 103000), (800, 82400), (824, 80000), (1000, 65920), (1024, 64375), (1030, 64000), (1250, 52736), (1280, 51500), (1600, 41200), (1648, 40000), (2000, 32960), (2060, 32000), (2500, 26368), (2560, 25750), (2575, 25600), (3200, 20600), (3296, 20000), (4000, 16480), (4120, 16000), (5000, 13184), (5120, 12875), (5150, 12800), (6400, 10300), (6592, 10000), (8000, 8240)]