16783840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5521}}^1$

素因数の和:5555

約数の個数: 48

約数和(自身を含む): 41746320

約数和(自身を除く): 24962480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5521, 11042, 22084, 27605, 44168, 55210, 88336, 104899, 110420, 176672, 209798, 220840, 419596, 441680, 524495, 839192, 883360, 1048990, 1678384, 2097980, 3356768, 4195960, 8391920, 16783840]

約数ペア:

[(1, 16783840), (2, 8391920), (4, 4195960), (5, 3356768), (8, 2097980), (10, 1678384), (16, 1048990), (19, 883360), (20, 839192), (32, 524495), (38, 441680), (40, 419596), (76, 220840), (80, 209798), (95, 176672), (152, 110420), (160, 104899), (190, 88336), (304, 55210), (380, 44168), (608, 27605), (760, 22084), (1520, 11042), (3040, 5521)]