1340640008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{123493}}^1$

素因数の和:123581

約数の個数: 32

約数和(自身を含む): 2667470400

約数和(自身を除く): 1326830392

約数列:

[1, 2, 4, 8, 23, 46, 59, 92, 118, 184, 236, 472, 1357, 2714, 5428, 10856, 123493, 246986, 493972, 987944, 2840339, 5680678, 7286087, 11361356, 14572174, 22722712, 29144348, 58288696, 167580001, 335160002, 670320004, 1340640008]

約数ペア:

[(1, 1340640008), (2, 670320004), (4, 335160002), (8, 167580001), (23, 58288696), (46, 29144348), (59, 22722712), (92, 14572174), (118, 11361356), (184, 7286087), (236, 5680678), (472, 2840339), (1357, 987944), (2714, 493972), (5428, 246986), (10856, 123493)]