1444820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5579

約数の個数: 24

約数和(自身を含む): 3268104

約数和(自身を除く): 1823284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5557, 11114, 22228, 27785, 55570, 72241, 111140, 144482, 288964, 361205, 722410, 1444820]

約数ペア:

[(1, 1444820), (2, 722410), (4, 361205), (5, 288964), (10, 144482), (13, 111140), (20, 72241), (26, 55570), (52, 27785), (65, 22228), (130, 11114), (260, 5557)]