26780975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4337}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 37653840

約数和(自身を除く): 10872865

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 4337, 6175, 21685, 56381, 82403, 108425, 281905, 412015, 1071239, 1409525, 2060075, 5356195, 26780975]

約数ペア:

[(1, 26780975), (5, 5356195), (13, 2060075), (19, 1409525), (25, 1071239), (65, 412015), (95, 281905), (247, 108425), (325, 82403), (475, 56381), (1235, 21685), (4337, 6175)]