56511730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 111456000

約数和(自身を除く): 54944270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1285, 1999, 2570, 2827, 3998, 5654, 9995, 14135, 19990, 21989, 28270, 43978, 109945, 219890, 513743, 1027486, 2568715, 5137430, 5651173, 11302346, 28255865, 56511730]

約数ペア:

[(1, 56511730), (2, 28255865), (5, 11302346), (10, 5651173), (11, 5137430), (22, 2568715), (55, 1027486), (110, 513743), (257, 219890), (514, 109945), (1285, 43978), (1999, 28270), (2570, 21989), (2827, 19990), (3998, 14135), (5654, 9995)]