56781595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 80640000

約数和(自身を除く): 23858405

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 1235, 1495, 1999, 2185, 5681, 9995, 25987, 28405, 37981, 45977, 129935, 189905, 229885, 493753, 597701, 873563, 2468765, 2988505, 4367815, 11356319, 56781595]

約数ペア:

[(1, 56781595), (5, 11356319), (13, 4367815), (19, 2988505), (23, 2468765), (65, 873563), (95, 597701), (115, 493753), (247, 229885), (299, 189905), (437, 129935), (1235, 45977), (1495, 37981), (1999, 28405), (2185, 25987), (5681, 9995)]