2019417560

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{115001}}^1$

素因数の和:115451

約数の個数: 32

約数和(自身を含む): 4554079200

約数和(自身を除く): 2534661640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 115001, 230002, 460004, 575005, 920008, 1150010, 2300020, 4600040, 50485439, 100970878, 201941756, 252427195, 403883512, 504854390, 1009708780, 2019417560]

約数ペア:

[(1, 2019417560), (2, 1009708780), (4, 504854390), (5, 403883512), (8, 252427195), (10, 201941756), (20, 100970878), (40, 50485439), (439, 4600040), (878, 2300020), (1756, 1150010), (2195, 920008), (3512, 575005), (4390, 460004), (8780, 230002), (17560, 115001)]