65420075

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 36

約数和(自身を含む): 96042960

約数和(自身を除く): 30622885

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 389, 775, 961, 1085, 1945, 2723, 4805, 5425, 6727, 9725, 12059, 13615, 24025, 33635, 60295, 68075, 84413, 168175, 301475, 373829, 422065, 1869145, 2110325, 2616803, 9345725, 13084015, 65420075]

約数ペア:

[(1, 65420075), (5, 13084015), (7, 9345725), (25, 2616803), (31, 2110325), (35, 1869145), (155, 422065), (175, 373829), (217, 301475), (389, 168175), (775, 84413), (961, 68075), (1085, 60295), (1945, 33635), (2723, 24025), (4805, 13615), (5425, 12059), (6727, 9725)]