205580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 455280

約数和(自身を除く): 249700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 541, 1082, 2164, 2705, 5410, 10279, 10820, 20558, 41116, 51395, 102790, 205580]

約数ペア:

[(1, 205580), (2, 102790), (4, 51395), (5, 41116), (10, 20558), (19, 10820), (20, 10279), (38, 5410), (76, 2705), (95, 2164), (190, 1082), (380, 541)]