2808320

素因数分解:

$2^9\times 5^1\times {\mathrm{1097}}^1$

素因数の和:1120

約数の個数: 40

約数和(自身を含む): 6739524

約数和(自身を除く): 3931204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1097, 1280, 2194, 2560, 4388, 5485, 8776, 10970, 17552, 21940, 35104, 43880, 70208, 87760, 140416, 175520, 280832, 351040, 561664, 702080, 1404160, 2808320]

約数ペア:

[(1, 2808320), (2, 1404160), (4, 702080), (5, 561664), (8, 351040), (10, 280832), (16, 175520), (20, 140416), (32, 87760), (40, 70208), (64, 43880), (80, 35104), (128, 21940), (160, 17552), (256, 10970), (320, 8776), (512, 5485), (640, 4388), (1097, 2560), (1280, 2194)]