131840000

素因数分解:

$2^{11}\times 5^4\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 332612280

約数和(自身を除く): 200772280

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, 2048, 2060, 2500, 2560, 2575, 3200, 3296, 4000, 4120, 5000, 5120, 5150, 6400, 6592, 8000, 8240, 10000, 10240, 10300, 12800, 12875, 13184, 16000, 16480, 20000, 20600, 25600, 25750, 26368, 32000, 32960, 40000, 41200, 51200, 51500, 52736, 64000, 64375, 65920, 80000, 82400, 103000, 105472, 128000, 128750, 131840, 160000, 164800, 206000, 210944, 256000, 257500, 263680, 320000, 329600, 412000, 515000, 527360, 640000, 659200, 824000, 1030000, 1054720, 1280000, 1318400, 1648000, 2060000, 2636800, 3296000, 4120000, 5273600, 6592000, 8240000, 13184000, 16480000, 26368000, 32960000, 65920000, 131840000]

約数ペア:

[(1, 131840000), (2, 65920000), (4, 32960000), (5, 26368000), (8, 16480000), (10, 13184000), (16, 8240000), (20, 6592000), (25, 5273600), (32, 4120000), (40, 3296000), (50, 2636800), (64, 2060000), (80, 1648000), (100, 1318400), (103, 1280000), (125, 1054720), (128, 1030000), (160, 824000), (200, 659200), (206, 640000), (250, 527360), (256, 515000), (320, 412000), (400, 329600), (412, 320000), (500, 263680), (512, 257500), (515, 256000), (625, 210944), (640, 206000), (800, 164800), (824, 160000), (1000, 131840), (1024, 128750), (1030, 128000), (1250, 105472), (1280, 103000), (1600, 82400), (1648, 80000), (2000, 65920), (2048, 64375), (2060, 64000), (2500, 52736), (2560, 51500), (2575, 51200), (3200, 41200), (3296, 40000), (4000, 32960), (4120, 32000), (5000, 26368), (5120, 25750), (5150, 25600), (6400, 20600), (6592, 20000), (8000, 16480), (8240, 16000), (10000, 13184), (10240, 12875), (10300, 12800)]