51324325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 69440000

約数和(自身を除く): 18115675

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 1999, 5135, 9995, 25675, 25987, 49975, 129935, 157921, 649675, 789605, 2052973, 3948025, 10264865, 51324325]

約数ペア:

[(1, 51324325), (5, 10264865), (13, 3948025), (25, 2052973), (65, 789605), (79, 649675), (325, 157921), (395, 129935), (1027, 49975), (1975, 25987), (1999, 25675), (5135, 9995)]