13286480

素因数分解:

$2^4\times 5^1\times {\mathrm{166081}}^1$

素因数の和:166094

約数の個数: 20

約数和(自身を含む): 30891252

約数和(自身を除く): 17604772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166081, 332162, 664324, 830405, 1328648, 1660810, 2657296, 3321620, 6643240, 13286480]

約数ペア:

[(1, 13286480), (2, 6643240), (4, 3321620), (5, 2657296), (8, 1660810), (10, 1328648), (16, 830405), (20, 664324), (40, 332162), (80, 166081)]