1812850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2814

約数の個数: 24

約数和(自身を含む): 3632580

約数和(自身を除く): 1819730

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 2789, 5578, 13945, 27890, 36257, 69725, 72514, 139450, 181285, 362570, 906425, 1812850]

約数ペア:

[(1, 1812850), (2, 906425), (5, 362570), (10, 181285), (13, 139450), (25, 72514), (26, 69725), (50, 36257), (65, 27890), (130, 13945), (325, 5578), (650, 2789)]