4398080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{859}}^1$

素因数の和:884

約数の個数: 44

約数和(自身を含む): 10562520

約数和(自身を除く): 6164440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 859, 1024, 1280, 1718, 2560, 3436, 4295, 5120, 6872, 8590, 13744, 17180, 27488, 34360, 54976, 68720, 109952, 137440, 219904, 274880, 439808, 549760, 879616, 1099520, 2199040, 4398080]

約数ペア:

[(1, 4398080), (2, 2199040), (4, 1099520), (5, 879616), (8, 549760), (10, 439808), (16, 274880), (20, 219904), (32, 137440), (40, 109952), (64, 68720), (80, 54976), (128, 34360), (160, 27488), (256, 17180), (320, 13744), (512, 8590), (640, 6872), (859, 5120), (1024, 4295), (1280, 3436), (1718, 2560)]