1260877580

素因数分解:

$2^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{38047}}^1$

素因数の和:39713

約数の個数: 24

約数和(自身を含む): 2649510528

約数和(自身を除く): 1388632948

約数列:

[1, 2, 4, 5, 10, 20, 1657, 3314, 6628, 8285, 16570, 33140, 38047, 76094, 152188, 190235, 380470, 760940, 63043879, 126087758, 252175516, 315219395, 630438790, 1260877580]

約数ペア:

[(1, 1260877580), (2, 630438790), (4, 315219395), (5, 252175516), (10, 126087758), (20, 63043879), (1657, 760940), (3314, 380470), (6628, 190235), (8285, 152188), (16570, 76094), (33140, 38047)]