220056770

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{54877}}^1$

素因数の和:55285

約数の個数: 16

約数和(自身を含む): 397097208

約数和(自身を除く): 177040438

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 54877, 109754, 274385, 548770, 22005677, 44011354, 110028385, 220056770]

約数ペア:

[(1, 220056770), (2, 110028385), (5, 44011354), (10, 22005677), (401, 548770), (802, 274385), (2005, 109754), (4010, 54877)]