78097480

素因数分解:

$2^3\times 5^1\times {\mathrm{1952437}}^1$

素因数の和:1952448

約数の個数: 16

約数和(自身を含む): 175719420

約数和(自身を除く): 97621940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1952437, 3904874, 7809748, 9762185, 15619496, 19524370, 39048740, 78097480]

約数ペア:

[(1, 78097480), (2, 39048740), (4, 19524370), (5, 15619496), (8, 9762185), (10, 7809748), (20, 3904874), (40, 1952437)]