39998820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666647}}^1$

素因数の和:666659

約数の個数: 24

約数和(自身を含む): 111996864

約数和(自身を除く): 71998044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666647, 1333294, 1999941, 2666588, 3333235, 3999882, 6666470, 7999764, 9999705, 13332940, 19999410, 39998820]

約数ペア:

[(1, 39998820), (2, 19999410), (3, 13332940), (4, 9999705), (5, 7999764), (6, 6666470), (10, 3999882), (12, 3333235), (15, 2666588), (20, 1999941), (30, 1333294), (60, 666647)]