2013180040

素因数分解:

$2^3\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{27791}}^1$

素因数の和:29613

約数の個数: 32

約数和(自身を含む): 4532319360

約数和(自身を除く): 2519139320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811, 3622, 7244, 9055, 14488, 18110, 27791, 36220, 55582, 72440, 111164, 138955, 222328, 277910, 555820, 1111640, 50329501, 100659002, 201318004, 251647505, 402636008, 503295010, 1006590020, 2013180040]

約数ペア:

[(1, 2013180040), (2, 1006590020), (4, 503295010), (5, 402636008), (8, 251647505), (10, 201318004), (20, 100659002), (40, 50329501), (1811, 1111640), (3622, 555820), (7244, 277910), (9055, 222328), (14488, 138955), (18110, 111164), (27791, 72440), (36220, 55582)]