739479920

素因数分解:

$2^4\times 5^1\times {\mathrm{9243499}}^1$

素因数の和:9243512

約数の個数: 20

約数和(自身を含む): 1719291000

約数和(自身を除く): 979811080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9243499, 18486998, 36973996, 46217495, 73947992, 92434990, 147895984, 184869980, 369739960, 739479920]

約数ペア:

[(1, 739479920), (2, 369739960), (4, 184869980), (5, 147895984), (8, 92434990), (10, 73947992), (16, 46217495), (20, 36973996), (40, 18486998), (80, 9243499)]