25980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{433}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 72912

約数和(自身を除く): 46932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 433, 866, 1299, 1732, 2165, 2598, 4330, 5196, 6495, 8660, 12990, 25980]

約数ペア:

[(1, 25980), (2, 12990), (3, 8660), (4, 6495), (5, 5196), (6, 4330), (10, 2598), (12, 2165), (15, 1732), (20, 1299), (30, 866), (60, 433)]