201255875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 261660672

約数和(自身を除く): 60404797

約数列:

[1, 5, 25, 31, 125, 155, 167, 311, 775, 835, 1555, 3875, 4175, 5177, 7775, 9641, 20875, 25885, 38875, 48205, 51937, 129425, 241025, 259685, 647125, 1205125, 1298425, 1610047, 6492125, 8050235, 40251175, 201255875]

約数ペア:

[(1, 201255875), (5, 40251175), (25, 8050235), (31, 6492125), (125, 1610047), (155, 1298425), (167, 1205125), (311, 647125), (775, 259685), (835, 241025), (1555, 129425), (3875, 51937), (4175, 48205), (5177, 38875), (7775, 25885), (9641, 20875)]