38688275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 51187200

約数和(自身を除く): 12498925

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1031, 1501, 1975, 5155, 7505, 19589, 25775, 37525, 81449, 97945, 407245, 489725, 1547531, 2036225, 7737655, 38688275]

約数ペア:

[(1, 38688275), (5, 7737655), (19, 2036225), (25, 1547531), (79, 489725), (95, 407245), (395, 97945), (475, 81449), (1031, 37525), (1501, 25775), (1975, 19589), (5155, 7505)]