201129080

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{7607}}^1$

素因数の和:8279

約数の個数: 32

約数和(自身を含む): 453284640

約数和(自身を除く): 252155560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 7607, 13220, 15214, 26440, 30428, 38035, 60856, 76070, 152140, 304280, 5028227, 10056454, 20112908, 25141135, 40225816, 50282270, 100564540, 201129080]

約数ペア:

[(1, 201129080), (2, 100564540), (4, 50282270), (5, 40225816), (8, 25141135), (10, 20112908), (20, 10056454), (40, 5028227), (661, 304280), (1322, 152140), (2644, 76070), (3305, 60856), (5288, 38035), (6610, 30428), (7607, 26440), (13220, 15214)]