42538625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{17911}}^1$

素因数の和:17945

約数の個数: 16

約数和(自身を含む): 55885440

約数和(自身を除く): 13346815

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 17911, 89555, 340309, 447775, 1701545, 2238875, 8507725, 42538625]

約数ペア:

[(1, 42538625), (5, 8507725), (19, 2238875), (25, 1701545), (95, 447775), (125, 340309), (475, 89555), (2375, 17911)]