20565012800

素因数分解:

$2^6\times 5^2\times {\mathrm{12853133}}^1$

素因数の和:12853155

約数の個数: 42

約数和(自身を含む): 50602788558

約数和(自身を除く): 30037775758

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12853133, 25706266, 51412532, 64265665, 102825064, 128531330, 205650128, 257062660, 321328325, 411300256, 514125320, 642656650, 822600512, 1028250640, 1285313300, 2056501280, 2570626600, 4113002560, 5141253200, 10282506400, 20565012800]

約数ペア:

[(1, 20565012800), (2, 10282506400), (4, 5141253200), (5, 4113002560), (8, 2570626600), (10, 2056501280), (16, 1285313300), (20, 1028250640), (25, 822600512), (32, 642656650), (40, 514125320), (50, 411300256), (64, 321328325), (80, 257062660), (100, 205650128), (160, 128531330), (200, 102825064), (320, 64265665), (400, 51412532), (800, 25706266), (1600, 12853133)]