172955240

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2311}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 389525760

約数和(自身を除く): 216570520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 2311, 3742, 4622, 7484, 9244, 9355, 11555, 14968, 18488, 18710, 23110, 37420, 46220, 74840, 92440, 4323881, 8647762, 17295524, 21619405, 34591048, 43238810, 86477620, 172955240]

約数ペア:

[(1, 172955240), (2, 86477620), (4, 43238810), (5, 34591048), (8, 21619405), (10, 17295524), (20, 8647762), (40, 4323881), (1871, 92440), (2311, 74840), (3742, 46220), (4622, 37420), (7484, 23110), (9244, 18710), (9355, 18488), (11555, 14968)]