78039560

素因数分解:

$2^3\times 5^1\times {\mathrm{1950989}}^1$

素因数の和:1951000

約数の個数: 16

約数和(自身を含む): 175589100

約数和(自身を除く): 97549540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1950989, 3901978, 7803956, 9754945, 15607912, 19509890, 39019780, 78039560]

約数ペア:

[(1, 78039560), (2, 39019780), (4, 19509890), (5, 15607912), (8, 9754945), (10, 7803956), (20, 3901978), (40, 1950989)]