1099520

素因数分解:

$2^8\times 5^1\times {\mathrm{859}}^1$

素因数の和:880

約数の個数: 36

約数和(自身を含む): 2636760

約数和(自身を除く): 1537240

約数列:

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

約数ペア:

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