80839000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7349}}^1$

素因数の和:7381

約数の個数: 64

約数和(自身を含む): 206388000

約数和(自身を除く): 125549000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 7349, 11000, 14698, 29396, 36745, 58792, 73490, 80839, 146980, 161678, 183725, 293960, 323356, 367450, 404195, 646712, 734900, 808390, 918625, 1469800, 1616780, 1837250, 2020975, 3233560, 3674500, 4041950, 7349000, 8083900, 10104875, 16167800, 20209750, 40419500, 80839000]

約数ペア:

[(1, 80839000), (2, 40419500), (4, 20209750), (5, 16167800), (8, 10104875), (10, 8083900), (11, 7349000), (20, 4041950), (22, 3674500), (25, 3233560), (40, 2020975), (44, 1837250), (50, 1616780), (55, 1469800), (88, 918625), (100, 808390), (110, 734900), (125, 646712), (200, 404195), (220, 367450), (250, 323356), (275, 293960), (440, 183725), (500, 161678), (550, 146980), (1000, 80839), (1100, 73490), (1375, 58792), (2200, 36745), (2750, 29396), (5500, 14698), (7349, 11000)]