61439080

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3361}}^1$

素因数の和:3829

約数の個数: 32

約数和(自身を含む): 138581640

約数和(自身を除く): 77142560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3361, 3656, 4570, 6722, 9140, 13444, 16805, 18280, 26888, 33610, 67220, 134440, 1535977, 3071954, 6143908, 7679885, 12287816, 15359770, 30719540, 61439080]

約数ペア:

[(1, 61439080), (2, 30719540), (4, 15359770), (5, 12287816), (8, 7679885), (10, 6143908), (20, 3071954), (40, 1535977), (457, 134440), (914, 67220), (1828, 33610), (2285, 26888), (3361, 18280), (3656, 16805), (4570, 13444), (6722, 9140)]