81640672

素因数分解:

$2^5\times {\mathrm{653}}^1\times {\mathrm{3907}}^1$

素因数の和:4570

約数の個数: 24

約数和(自身を含む): 161017416

約数和(自身を除く): 79376744

約数列:

[1, 2, 4, 8, 16, 32, 653, 1306, 2612, 3907, 5224, 7814, 10448, 15628, 20896, 31256, 62512, 125024, 2551271, 5102542, 10205084, 20410168, 40820336, 81640672]

約数ペア:

[(1, 81640672), (2, 40820336), (4, 20410168), (8, 10205084), (16, 5102542), (32, 2551271), (653, 125024), (1306, 62512), (2612, 31256), (3907, 20896), (5224, 15628), (7814, 10448)]