128526400

素因数分解:

$2^6\times 5^2\times {\mathrm{80329}}^1$

素因数の和:80351

約数の個数: 42

約数和(自身を含む): 316259210

約数和(自身を除く): 187732810

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 80329, 160658, 321316, 401645, 642632, 803290, 1285264, 1606580, 2008225, 2570528, 3213160, 4016450, 5141056, 6426320, 8032900, 12852640, 16065800, 25705280, 32131600, 64263200, 128526400]

約数ペア:

[(1, 128526400), (2, 64263200), (4, 32131600), (5, 25705280), (8, 16065800), (10, 12852640), (16, 8032900), (20, 6426320), (25, 5141056), (32, 4016450), (40, 3213160), (50, 2570528), (64, 2008225), (80, 1606580), (100, 1285264), (160, 803290), (200, 642632), (320, 401645), (400, 321316), (800, 160658), (1600, 80329)]