2019208000

素因数分解:

$2^6\times 5^3\times {\mathrm{252401}}^1$

素因数の和:252428

約数の個数: 56

約数和(自身を含む): 5000588424

約数和(自身を除く): 2981380424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 252401, 504802, 1009604, 1262005, 2019208, 2524010, 4038416, 5048020, 6310025, 8076832, 10096040, 12620050, 16153664, 20192080, 25240100, 31550125, 40384160, 50480200, 63100250, 80768320, 100960400, 126200500, 201920800, 252401000, 403841600, 504802000, 1009604000, 2019208000]

約数ペア:

[(1, 2019208000), (2, 1009604000), (4, 504802000), (5, 403841600), (8, 252401000), (10, 201920800), (16, 126200500), (20, 100960400), (25, 80768320), (32, 63100250), (40, 50480200), (50, 40384160), (64, 31550125), (80, 25240100), (100, 20192080), (125, 16153664), (160, 12620050), (200, 10096040), (250, 8076832), (320, 6310025), (400, 5048020), (500, 4038416), (800, 2524010), (1000, 2019208), (1600, 1262005), (2000, 1009604), (4000, 504802), (8000, 252401)]