11663840

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 27760320

約数和(自身を除く): 16096480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 271, 538, 542, 1076, 1084, 1345, 1355, 2152, 2168, 2690, 2710, 4304, 4336, 5380, 5420, 8608, 8672, 10760, 10840, 21520, 21680, 43040, 43360, 72899, 145798, 291596, 364495, 583192, 728990, 1166384, 1457980, 2332768, 2915960, 5831920, 11663840]

約数ペア:

[(1, 11663840), (2, 5831920), (4, 2915960), (5, 2332768), (8, 1457980), (10, 1166384), (16, 728990), (20, 583192), (32, 364495), (40, 291596), (80, 145798), (160, 72899), (269, 43360), (271, 43040), (538, 21680), (542, 21520), (1076, 10840), (1084, 10760), (1345, 8672), (1355, 8608), (2152, 5420), (2168, 5380), (2690, 4336), (2710, 4304)]