2021560000

素因数分解:

$2^6\times 5^4\times {\mathrm{50539}}^1$

素因数の和:50571

約数の個数: 70

約数和(自身を含む): 5012910980

約数和(自身を除く): 2991350980

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, 625, 800, 1000, 1250, 1600, 2000, 2500, 4000, 5000, 8000, 10000, 20000, 40000, 50539, 101078, 202156, 252695, 404312, 505390, 808624, 1010780, 1263475, 1617248, 2021560, 2526950, 3234496, 4043120, 5053900, 6317375, 8086240, 10107800, 12634750, 16172480, 20215600, 25269500, 31586875, 40431200, 50539000, 63173750, 80862400, 101078000, 126347500, 202156000, 252695000, 404312000, 505390000, 1010780000, 2021560000]

約数ペア:

[(1, 2021560000), (2, 1010780000), (4, 505390000), (5, 404312000), (8, 252695000), (10, 202156000), (16, 126347500), (20, 101078000), (25, 80862400), (32, 63173750), (40, 50539000), (50, 40431200), (64, 31586875), (80, 25269500), (100, 20215600), (125, 16172480), (160, 12634750), (200, 10107800), (250, 8086240), (320, 6317375), (400, 5053900), (500, 4043120), (625, 3234496), (800, 2526950), (1000, 2021560), (1250, 1617248), (1600, 1263475), (2000, 1010780), (2500, 808624), (4000, 505390), (5000, 404312), (8000, 252695), (10000, 202156), (20000, 101078), (40000, 50539)]