27829600

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:872

約数の個数: 72

約数和(自身を含む): 69604920

約数和(自身を除く): 41775320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 809, 860, 1075, 1376, 1618, 1720, 2150, 3236, 3440, 4045, 4300, 6472, 6880, 8090, 8600, 12944, 16180, 17200, 20225, 25888, 32360, 34400, 34787, 40450, 64720, 69574, 80900, 129440, 139148, 161800, 173935, 278296, 323600, 347870, 556592, 647200, 695740, 869675, 1113184, 1391480, 1739350, 2782960, 3478700, 5565920, 6957400, 13914800, 27829600]

約数ペア:

[(1, 27829600), (2, 13914800), (4, 6957400), (5, 5565920), (8, 3478700), (10, 2782960), (16, 1739350), (20, 1391480), (25, 1113184), (32, 869675), (40, 695740), (43, 647200), (50, 556592), (80, 347870), (86, 323600), (100, 278296), (160, 173935), (172, 161800), (200, 139148), (215, 129440), (344, 80900), (400, 69574), (430, 64720), (688, 40450), (800, 34787), (809, 34400), (860, 32360), (1075, 25888), (1376, 20225), (1618, 17200), (1720, 16180), (2150, 12944), (3236, 8600), (3440, 8090), (4045, 6880), (4300, 6472)]