78065825

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 103683840

約数和(自身を除く): 25618015

約数列:

[1, 5, 25, 29, 47, 79, 145, 235, 395, 725, 841, 1175, 1363, 1975, 2291, 3713, 4205, 6815, 11455, 18565, 21025, 34075, 39527, 57275, 66439, 92825, 107677, 197635, 332195, 538385, 988175, 1660975, 2691925, 3122633, 15613165, 78065825]

約数ペア:

[(1, 78065825), (5, 15613165), (25, 3122633), (29, 2691925), (47, 1660975), (79, 988175), (145, 538385), (235, 332195), (395, 197635), (725, 107677), (841, 92825), (1175, 66439), (1363, 57275), (1975, 39527), (2291, 34075), (3713, 21025), (4205, 18565), (6815, 11455)]