81668800

素因数分解:

$2^6\times 5^2\times {\mathrm{51043}}^1$

素因数の和:51065

約数の個数: 42

約数和(自身を含む): 200960228

約数和(自身を除く): 119291428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 51043, 102086, 204172, 255215, 408344, 510430, 816688, 1020860, 1276075, 1633376, 2041720, 2552150, 3266752, 4083440, 5104300, 8166880, 10208600, 16333760, 20417200, 40834400, 81668800]

約数ペア:

[(1, 81668800), (2, 40834400), (4, 20417200), (5, 16333760), (8, 10208600), (10, 8166880), (16, 5104300), (20, 4083440), (25, 3266752), (32, 2552150), (40, 2041720), (50, 1633376), (64, 1276075), (80, 1020860), (100, 816688), (160, 510430), (200, 408344), (320, 255215), (400, 204172), (800, 102086), (1600, 51043)]