54948140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211339}}^1$

素因数の和:211361

約数の個数: 24

約数和(自身を含む): 124267920

約数和(自身を除く): 69319780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211339, 422678, 845356, 1056695, 2113390, 2747407, 4226780, 5494814, 10989628, 13737035, 27474070, 54948140]

約数ペア:

[(1, 54948140), (2, 27474070), (4, 13737035), (5, 10989628), (10, 5494814), (13, 4226780), (20, 2747407), (26, 2113390), (52, 1056695), (65, 845356), (130, 422678), (260, 211339)]