77788240

素因数分解:

$2^4\times 5^1\times {\mathrm{972353}}^1$

素因数の和:972366

約数の個数: 20

約数和(自身を含む): 180857844

約数和(自身を除く): 103069604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 972353, 1944706, 3889412, 4861765, 7778824, 9723530, 15557648, 19447060, 38894120, 77788240]

約数ペア:

[(1, 77788240), (2, 38894120), (4, 19447060), (5, 15557648), (8, 9723530), (10, 7778824), (16, 4861765), (20, 3889412), (40, 1944706), (80, 972353)]