28556525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 37795200

約数和(自身を除く): 9238675

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 761, 1501, 1975, 3805, 7505, 14459, 19025, 37525, 60119, 72295, 300595, 361475, 1142261, 1502975, 5711305, 28556525]

約数ペア:

[(1, 28556525), (5, 5711305), (19, 1502975), (25, 1142261), (79, 361475), (95, 300595), (395, 72295), (475, 60119), (761, 37525), (1501, 19025), (1975, 14459), (3805, 7505)]