12804080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5519}}^1$

素因数の和:5561

約数の個数: 40

約数和(自身を含む): 30801600

約数和(自身を除く): 17997520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 5519, 11038, 22076, 27595, 44152, 55190, 88304, 110380, 160051, 220760, 320102, 441520, 640204, 800255, 1280408, 1600510, 2560816, 3201020, 6402040, 12804080]

約数ペア:

[(1, 12804080), (2, 6402040), (4, 3201020), (5, 2560816), (8, 1600510), (10, 1280408), (16, 800255), (20, 640204), (29, 441520), (40, 320102), (58, 220760), (80, 160051), (116, 110380), (145, 88304), (232, 55190), (290, 44152), (464, 27595), (580, 22076), (1160, 11038), (2320, 5519)]