51960040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 128304000

約数和(自身を除く): 76343960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 269, 439, 440, 538, 878, 1076, 1345, 1756, 2152, 2195, 2690, 2959, 3512, 4390, 4829, 5380, 5918, 8780, 9658, 10760, 11836, 14795, 17560, 19316, 23672, 24145, 29590, 38632, 48290, 59180, 96580, 118091, 118360, 193160, 236182, 472364, 590455, 944728, 1180910, 1299001, 2361820, 2598002, 4723640, 5196004, 6495005, 10392008, 12990010, 25980020, 51960040]

約数ペア:

[(1, 51960040), (2, 25980020), (4, 12990010), (5, 10392008), (8, 6495005), (10, 5196004), (11, 4723640), (20, 2598002), (22, 2361820), (40, 1299001), (44, 1180910), (55, 944728), (88, 590455), (110, 472364), (220, 236182), (269, 193160), (439, 118360), (440, 118091), (538, 96580), (878, 59180), (1076, 48290), (1345, 38632), (1756, 29590), (2152, 24145), (2195, 23672), (2690, 19316), (2959, 17560), (3512, 14795), (4390, 11836), (4829, 10760), (5380, 9658), (5918, 8780)]