211232440

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{8087}}^1$

素因数の和:8751

約数の個数: 32

約数和(自身を含む): 476059680

約数和(自身を除く): 264827240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 8087, 13060, 16174, 26120, 32348, 40435, 64696, 80870, 161740, 323480, 5280811, 10561622, 21123244, 26404055, 42246488, 52808110, 105616220, 211232440]

約数ペア:

[(1, 211232440), (2, 105616220), (4, 52808110), (5, 42246488), (8, 26404055), (10, 21123244), (20, 10561622), (40, 5280811), (653, 323480), (1306, 161740), (2612, 80870), (3265, 64696), (5224, 40435), (6530, 32348), (8087, 26120), (13060, 16174)]