128740055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{10007}}^1$

素因数の和:10126

約数の個数: 16

約数和(自身を含む): 161409024

約数和(自身を除く): 32668969

約数列:

[1, 5, 31, 83, 155, 415, 2573, 10007, 12865, 50035, 310217, 830581, 1551085, 4152905, 25748011, 128740055]

約数ペア:

[(1, 128740055), (5, 25748011), (31, 4152905), (83, 1551085), (155, 830581), (415, 310217), (2573, 50035), (10007, 12865)]