49205780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{189253}}^1$

素因数の和:189275

約数の個数: 24

約数和(自身を含む): 111281352

約数和(自身を除く): 62075572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 189253, 378506, 757012, 946265, 1892530, 2460289, 3785060, 4920578, 9841156, 12301445, 24602890, 49205780]

約数ペア:

[(1, 49205780), (2, 24602890), (4, 12301445), (5, 9841156), (10, 4920578), (13, 3785060), (20, 2460289), (26, 1892530), (52, 946265), (65, 757012), (130, 378506), (260, 189253)]