51020800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1993}}^1$

素因数の和:2023

約数の個数: 66

約数和(自身を含む): 126533258

約数和(自身を除く): 75512458

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 1993, 2560, 3200, 3986, 5120, 6400, 7972, 9965, 12800, 15944, 19930, 25600, 31888, 39860, 49825, 63776, 79720, 99650, 127552, 159440, 199300, 255104, 318880, 398600, 510208, 637760, 797200, 1020416, 1275520, 1594400, 2040832, 2551040, 3188800, 5102080, 6377600, 10204160, 12755200, 25510400, 51020800]

約数ペア:

[(1, 51020800), (2, 25510400), (4, 12755200), (5, 10204160), (8, 6377600), (10, 5102080), (16, 3188800), (20, 2551040), (25, 2040832), (32, 1594400), (40, 1275520), (50, 1020416), (64, 797200), (80, 637760), (100, 510208), (128, 398600), (160, 318880), (200, 255104), (256, 199300), (320, 159440), (400, 127552), (512, 99650), (640, 79720), (800, 63776), (1024, 49825), (1280, 39860), (1600, 31888), (1993, 25600), (2560, 19930), (3200, 15944), (3986, 12800), (5120, 9965), (6400, 7972)]