20164388800

素因数分解:

$2^6\times 5^2\times {\mathrm{12602743}}^1$

素因数の和:12602765

約数の個数: 42

約数和(自身を含む): 49617003128

約数和(自身を除く): 29452614328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12602743, 25205486, 50410972, 63013715, 100821944, 126027430, 201643888, 252054860, 315068575, 403287776, 504109720, 630137150, 806575552, 1008219440, 1260274300, 2016438880, 2520548600, 4032877760, 5041097200, 10082194400, 20164388800]

約数ペア:

[(1, 20164388800), (2, 10082194400), (4, 5041097200), (5, 4032877760), (8, 2520548600), (10, 2016438880), (16, 1260274300), (20, 1008219440), (25, 806575552), (32, 630137150), (40, 504109720), (50, 403287776), (64, 315068575), (80, 252054860), (100, 201643888), (160, 126027430), (200, 100821944), (320, 63013715), (400, 50410972), (800, 25205486), (1600, 12602743)]