51641330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30557}}^1$

素因数の和:30590

約数の個数: 24

約数和(自身を含む): 100658052

約数和(自身を除く): 49016722

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 30557, 61114, 152785, 305570, 397241, 794482, 1986205, 3972410, 5164133, 10328266, 25820665, 51641330]

約数ペア:

[(1, 51641330), (2, 25820665), (5, 10328266), (10, 5164133), (13, 3972410), (26, 1986205), (65, 794482), (130, 397241), (169, 305570), (338, 152785), (845, 61114), (1690, 30557)]