28965760

素因数分解:

$2^7\times 5^1\times {\mathrm{45259}}^1$

素因数の和:45278

約数の個数: 32

約数和(自身を含む): 69247800

約数和(自身を除く): 40282040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 45259, 90518, 181036, 226295, 362072, 452590, 724144, 905180, 1448288, 1810360, 2896576, 3620720, 5793152, 7241440, 14482880, 28965760]

約数ペア:

[(1, 28965760), (2, 14482880), (4, 7241440), (5, 5793152), (8, 3620720), (10, 2896576), (16, 1810360), (20, 1448288), (32, 905180), (40, 724144), (64, 452590), (80, 362072), (128, 226295), (160, 181036), (320, 90518), (640, 45259)]