27886720

素因数分解:

$2^7\times 5^1\times {\mathrm{43573}}^1$

素因数の和:43592

約数の個数: 32

約数和(自身を含む): 66668220

約数和(自身を除く): 38781500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43573, 87146, 174292, 217865, 348584, 435730, 697168, 871460, 1394336, 1742920, 2788672, 3485840, 5577344, 6971680, 13943360, 27886720]

約数ペア:

[(1, 27886720), (2, 13943360), (4, 6971680), (5, 5577344), (8, 3485840), (10, 2788672), (16, 1742920), (20, 1394336), (32, 871460), (40, 697168), (64, 435730), (80, 348584), (128, 217865), (160, 174292), (320, 87146), (640, 43573)]