166480

素因数分解:

$2^4\times 5^1\times {\mathrm{2081}}^1$

素因数の和:2094

約数の個数: 20

約数和(自身を含む): 387252

約数和(自身を除く): 220772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2081, 4162, 8324, 10405, 16648, 20810, 33296, 41620, 83240, 166480]

約数ペア:

[(1, 166480), (2, 83240), (4, 41620), (5, 33296), (8, 20810), (10, 16648), (16, 10405), (20, 8324), (40, 4162), (80, 2081)]