25296980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66571}}^1$

素因数の和:66599

約数の個数: 24

約数和(自身を含む): 55920480

約数和(自身を除く): 30623500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66571, 133142, 266284, 332855, 665710, 1264849, 1331420, 2529698, 5059396, 6324245, 12648490, 25296980]

約数ペア:

[(1, 25296980), (2, 12648490), (4, 6324245), (5, 5059396), (10, 2529698), (19, 1331420), (20, 1264849), (38, 665710), (76, 332855), (95, 266284), (190, 133142), (380, 66571)]