844820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 1809864

約数和(自身を除く): 965044

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 797, 1060, 1594, 3188, 3985, 7970, 15940, 42241, 84482, 168964, 211205, 422410, 844820]

約数ペア:

[(1, 844820), (2, 422410), (4, 211205), (5, 168964), (10, 84482), (20, 42241), (53, 15940), (106, 7970), (212, 3985), (265, 3188), (530, 1594), (797, 1060)]