39942780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{665713}}^1$

素因数の和:665725

約数の個数: 24

約数和(自身を含む): 111839952

約数和(自身を除く): 71897172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 665713, 1331426, 1997139, 2662852, 3328565, 3994278, 6657130, 7988556, 9985695, 13314260, 19971390, 39942780]

約数ペア:

[(1, 39942780), (2, 19971390), (3, 13314260), (4, 9985695), (5, 7988556), (6, 6657130), (10, 3994278), (12, 3328565), (15, 2662852), (20, 1997139), (30, 1331426), (60, 665713)]