1628249600

素因数分解:

$2^9\times 5^2\times {\mathrm{127207}}^1$

素因数の和:127235

約数の個数: 60

約数和(自身を含む): 4034147304

約数和(自身を除く): 2405897704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 127207, 254414, 508828, 636035, 1017656, 1272070, 2035312, 2544140, 3180175, 4070624, 5088280, 6360350, 8141248, 10176560, 12720700, 16282496, 20353120, 25441400, 32564992, 40706240, 50882800, 65129984, 81412480, 101765600, 162824960, 203531200, 325649920, 407062400, 814124800, 1628249600]

約数ペア:

[(1, 1628249600), (2, 814124800), (4, 407062400), (5, 325649920), (8, 203531200), (10, 162824960), (16, 101765600), (20, 81412480), (25, 65129984), (32, 50882800), (40, 40706240), (50, 32564992), (64, 25441400), (80, 20353120), (100, 16282496), (128, 12720700), (160, 10176560), (200, 8141248), (256, 6360350), (320, 5088280), (400, 4070624), (512, 3180175), (640, 2544140), (800, 2035312), (1280, 1272070), (1600, 1017656), (2560, 636035), (3200, 508828), (6400, 254414), (12800, 127207)]