127721030

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{124001}}^1$

素因数の和:124111

約数の個数: 16

約数和(自身を含む): 232131744

約数和(自身を除く): 104410714

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 124001, 248002, 620005, 1240010, 12772103, 25544206, 63860515, 127721030]

約数ペア:

[(1, 127721030), (2, 63860515), (5, 25544206), (10, 12772103), (103, 1240010), (206, 620005), (515, 248002), (1030, 124001)]