2785180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 5892768

約数和(自身を除く): 3107588

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 887, 1570, 1774, 3140, 3548, 4435, 8870, 17740, 139259, 278518, 557036, 696295, 1392590, 2785180]

約数ペア:

[(1, 2785180), (2, 1392590), (4, 696295), (5, 557036), (10, 278518), (20, 139259), (157, 17740), (314, 8870), (628, 4435), (785, 3548), (887, 3140), (1570, 1774)]