168302480

素因数分解:

$2^4\times 5^1\times {\mathrm{2103781}}^1$

素因数の和:2103794

約数の個数: 20

約数和(自身を含む): 391303452

約数和(自身を除く): 223000972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2103781, 4207562, 8415124, 10518905, 16830248, 21037810, 33660496, 42075620, 84151240, 168302480]

約数ペア:

[(1, 168302480), (2, 84151240), (4, 42075620), (5, 33660496), (8, 21037810), (10, 16830248), (16, 10518905), (20, 8415124), (40, 4207562), (80, 2103781)]