21839600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:858

約数の個数: 60

約数和(自身を含む): 53277840

約数和(自身を除く): 31438240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 769, 1136, 1420, 1538, 1775, 2840, 3076, 3550, 3845, 5680, 6152, 7100, 7690, 12304, 14200, 15380, 19225, 28400, 30760, 38450, 54599, 61520, 76900, 109198, 153800, 218396, 272995, 307600, 436792, 545990, 873584, 1091980, 1364975, 2183960, 2729950, 4367920, 5459900, 10919800, 21839600]

約数ペア:

[(1, 21839600), (2, 10919800), (4, 5459900), (5, 4367920), (8, 2729950), (10, 2183960), (16, 1364975), (20, 1091980), (25, 873584), (40, 545990), (50, 436792), (71, 307600), (80, 272995), (100, 218396), (142, 153800), (200, 109198), (284, 76900), (355, 61520), (400, 54599), (568, 38450), (710, 30760), (769, 28400), (1136, 19225), (1420, 15380), (1538, 14200), (1775, 12304), (2840, 7690), (3076, 7100), (3550, 6152), (3845, 5680)]