210008000

素因数分解:

$2^6\times 5^3\times {\mathrm{26251}}^1$

素因数の和:26278

約数の個数: 56

約数和(自身を含む): 520104624

約数和(自身を除く): 310096624

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, 26251, 52502, 105004, 131255, 210008, 262510, 420016, 525020, 656275, 840032, 1050040, 1312550, 1680064, 2100080, 2625100, 3281375, 4200160, 5250200, 6562750, 8400320, 10500400, 13125500, 21000800, 26251000, 42001600, 52502000, 105004000, 210008000]

約数ペア:

[(1, 210008000), (2, 105004000), (4, 52502000), (5, 42001600), (8, 26251000), (10, 21000800), (16, 13125500), (20, 10500400), (25, 8400320), (32, 6562750), (40, 5250200), (50, 4200160), (64, 3281375), (80, 2625100), (100, 2100080), (125, 1680064), (160, 1312550), (200, 1050040), (250, 840032), (320, 656275), (400, 525020), (500, 420016), (800, 262510), (1000, 210008), (1600, 131255), (2000, 105004), (4000, 52502), (8000, 26251)]