84705380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53611}}^1$

素因数の和:53699

約数の個数: 24

約数和(自身を含む): 180136320

約数和(自身を除く): 95430940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 53611, 107222, 214444, 268055, 536110, 1072220, 4235269, 8470538, 16941076, 21176345, 42352690, 84705380]

約数ペア:

[(1, 84705380), (2, 42352690), (4, 21176345), (5, 16941076), (10, 8470538), (20, 4235269), (79, 1072220), (158, 536110), (316, 268055), (395, 214444), (790, 107222), (1580, 53611)]