2199040

素因数分解:

$2^9\times 5^1\times {\mathrm{859}}^1$

素因数の和:882

約数の個数: 40

約数和(自身を含む): 5278680

約数和(自身を除く): 3079640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 859, 1280, 1718, 2560, 3436, 4295, 6872, 8590, 13744, 17180, 27488, 34360, 54976, 68720, 109952, 137440, 219904, 274880, 439808, 549760, 1099520, 2199040]

約数ペア:

[(1, 2199040), (2, 1099520), (4, 549760), (5, 439808), (8, 274880), (10, 219904), (16, 137440), (20, 109952), (32, 68720), (40, 54976), (64, 34360), (80, 27488), (128, 17180), (160, 13744), (256, 8590), (320, 6872), (512, 4295), (640, 3436), (859, 2560), (1280, 1718)]