39965048

素因数分解:

$2^3\times {\mathrm{71}}^2\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 76081440

約数和(自身を除く): 36116392

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 991, 1982, 3964, 5041, 7928, 10082, 20164, 40328, 70361, 140722, 281444, 562888, 4995631, 9991262, 19982524, 39965048]

約数ペア:

[(1, 39965048), (2, 19982524), (4, 9991262), (8, 4995631), (71, 562888), (142, 281444), (284, 140722), (568, 70361), (991, 40328), (1982, 20164), (3964, 10082), (5041, 7928)]