5565920

素因数分解:

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

素因数の和:867

約数の個数: 48

約数和(自身を含む): 13471920

約数和(自身を除く): 7906000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 809, 860, 1376, 1618, 1720, 3236, 3440, 4045, 6472, 6880, 8090, 12944, 16180, 25888, 32360, 34787, 64720, 69574, 129440, 139148, 173935, 278296, 347870, 556592, 695740, 1113184, 1391480, 2782960, 5565920]

約数ペア:

[(1, 5565920), (2, 2782960), (4, 1391480), (5, 1113184), (8, 695740), (10, 556592), (16, 347870), (20, 278296), (32, 173935), (40, 139148), (43, 129440), (80, 69574), (86, 64720), (160, 34787), (172, 32360), (215, 25888), (344, 16180), (430, 12944), (688, 8090), (809, 6880), (860, 6472), (1376, 4045), (1618, 3440), (1720, 3236)]