165738280

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4241}}^1$

素因数の和:5229

約数の個数: 32

約数和(自身を含む): 373380840

約数和(自身を除く): 207642560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4241, 4885, 7816, 8482, 9770, 16964, 19540, 21205, 33928, 39080, 42410, 84820, 169640, 4143457, 8286914, 16573828, 20717285, 33147656, 41434570, 82869140, 165738280]

約数ペア:

[(1, 165738280), (2, 82869140), (4, 41434570), (5, 33147656), (8, 20717285), (10, 16573828), (20, 8286914), (40, 4143457), (977, 169640), (1954, 84820), (3908, 42410), (4241, 39080), (4885, 33928), (7816, 21205), (8482, 19540), (9770, 16964)]