13447040

素因数分解:

$2^7\times 5^1\times {\mathrm{21011}}^1$

素因数の和:21030

約数の個数: 32

約数和(自身を含む): 32148360

約数和(自身を除く): 18701320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21011, 42022, 84044, 105055, 168088, 210110, 336176, 420220, 672352, 840440, 1344704, 1680880, 2689408, 3361760, 6723520, 13447040]

約数ペア:

[(1, 13447040), (2, 6723520), (4, 3361760), (5, 2689408), (8, 1680880), (10, 1344704), (16, 840440), (20, 672352), (32, 420220), (40, 336176), (64, 210110), (80, 168088), (128, 105055), (160, 84044), (320, 42022), (640, 21011)]