8262280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15889}}^1$

素因数の和:15913

約数の個数: 32

約数和(自身を含む): 20021400

約数和(自身を除く): 11759120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15889, 31778, 63556, 79445, 127112, 158890, 206557, 317780, 413114, 635560, 826228, 1032785, 1652456, 2065570, 4131140, 8262280]

約数ペア:

[(1, 8262280), (2, 4131140), (4, 2065570), (5, 1652456), (8, 1032785), (10, 826228), (13, 635560), (20, 413114), (26, 317780), (40, 206557), (52, 158890), (65, 127112), (104, 79445), (130, 63556), (260, 31778), (520, 15889)]