13244720

素因数分解:

$2^4\times 5^1\times {\mathrm{165559}}^1$

素因数の和:165572

約数の個数: 20

約数和(自身を含む): 30794160

約数和(自身を除く): 17549440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165559, 331118, 662236, 827795, 1324472, 1655590, 2648944, 3311180, 6622360, 13244720]

約数ペア:

[(1, 13244720), (2, 6622360), (4, 3311180), (5, 2648944), (8, 1655590), (10, 1324472), (16, 827795), (20, 662236), (40, 331118), (80, 165559)]