39540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{659}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 110880

約数和(自身を除く): 71340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 1318, 1977, 2636, 3295, 3954, 6590, 7908, 9885, 13180, 19770, 39540]

約数ペア:

[(1, 39540), (2, 19770), (3, 13180), (4, 9885), (5, 7908), (6, 6590), (10, 3954), (12, 3295), (15, 2636), (20, 1977), (30, 1318), (60, 659)]