64515925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 85440960

約数和(自身を除く): 20925035

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 1349, 1775, 1913, 6745, 9565, 33725, 36347, 47825, 135823, 181735, 679115, 908675, 2580637, 3395575, 12903185, 64515925]

約数ペア:

[(1, 64515925), (5, 12903185), (19, 3395575), (25, 2580637), (71, 908675), (95, 679115), (355, 181735), (475, 135823), (1349, 47825), (1775, 36347), (1913, 33725), (6745, 9565)]