8403040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 48

約数和(自身を含む): 20548080

約数和(自身を除く): 12145040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 1811, 2320, 3622, 4640, 7244, 9055, 14488, 18110, 28976, 36220, 52519, 57952, 72440, 105038, 144880, 210076, 262595, 289760, 420152, 525190, 840304, 1050380, 1680608, 2100760, 4201520, 8403040]

約数ペア:

[(1, 8403040), (2, 4201520), (4, 2100760), (5, 1680608), (8, 1050380), (10, 840304), (16, 525190), (20, 420152), (29, 289760), (32, 262595), (40, 210076), (58, 144880), (80, 105038), (116, 72440), (145, 57952), (160, 52519), (232, 36220), (290, 28976), (464, 18110), (580, 14488), (928, 9055), (1160, 7244), (1811, 4640), (2320, 3622)]