156942666280

素因数分解:

$2^3\times 5^1\times {\mathrm{3923566657}}^1$

素因数の和:3923566668

約数の個数: 16

約数和(自身を含む): 353120999220

約数和(自身を除く): 196178332940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923566657, 7847133314, 15694266628, 19617833285, 31388533256, 39235666570, 78471333140, 156942666280]

約数ペア:

[(1, 156942666280), (2, 78471333140), (4, 39235666570), (5, 31388533256), (8, 19617833285), (10, 15694266628), (20, 7847133314), (40, 3923566657)]