13405990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103123}}^1$

素因数の和:103143

約数の個数: 16

約数和(自身を含む): 25987248

約数和(自身を除く): 12581258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 103123, 206246, 515615, 1031230, 1340599, 2681198, 6702995, 13405990]

約数ペア:

[(1, 13405990), (2, 6702995), (5, 2681198), (10, 1340599), (13, 1031230), (26, 515615), (65, 206246), (130, 103123)]