2648320

素因数分解:

$2^8\times 5^1\times {\mathrm{2069}}^1$

素因数の和:2090

約数の個数: 36

約数和(自身を含む): 6346620

約数和(自身を除く): 3698300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2069, 4138, 8276, 10345, 16552, 20690, 33104, 41380, 66208, 82760, 132416, 165520, 264832, 331040, 529664, 662080, 1324160, 2648320]

約数ペア:

[(1, 2648320), (2, 1324160), (4, 662080), (5, 529664), (8, 331040), (10, 264832), (16, 165520), (20, 132416), (32, 82760), (40, 66208), (64, 41380), (80, 33104), (128, 20690), (160, 16552), (256, 10345), (320, 8276), (640, 4138), (1280, 2069)]