70257560

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4001}}^1$

素因数の和:4451

約数の個数: 32

約数和(自身を含む): 158479200

約数和(自身を除く): 88221640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4001, 4390, 8002, 8780, 16004, 17560, 20005, 32008, 40010, 80020, 160040, 1756439, 3512878, 7025756, 8782195, 14051512, 17564390, 35128780, 70257560]

約数ペア:

[(1, 70257560), (2, 35128780), (4, 17564390), (5, 14051512), (8, 8782195), (10, 7025756), (20, 3512878), (40, 1756439), (439, 160040), (878, 80020), (1756, 40010), (2195, 32008), (3512, 20005), (4001, 17560), (4390, 16004), (8002, 8780)]