39987660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666461}}^1$

素因数の和:666473

約数の個数: 24

約数和(自身を含む): 111965616

約数和(自身を除く): 71977956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666461, 1332922, 1999383, 2665844, 3332305, 3998766, 6664610, 7997532, 9996915, 13329220, 19993830, 39987660]

約数ペア:

[(1, 39987660), (2, 19993830), (3, 13329220), (4, 9996915), (5, 7997532), (6, 6664610), (10, 3998766), (12, 3332305), (15, 2665844), (20, 1999383), (30, 1332922), (60, 666461)]