201621080

素因数分解:

$2^3\times 5^1\times {\mathrm{5040527}}^1$

素因数の和:5040538

約数の個数: 16

約数和(自身を含む): 453647520

約数和(自身を除く): 252026440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040527, 10081054, 20162108, 25202635, 40324216, 50405270, 100810540, 201621080]

約数ペア:

[(1, 201621080), (2, 100810540), (4, 50405270), (5, 40324216), (8, 25202635), (10, 20162108), (20, 10081054), (40, 5040527)]