8391920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5521}}^1$

素因数の和:5553

約数の個数: 40

約数和(自身を含む): 20541840

約数和(自身を除く): 12149920

約数列:

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

約数ペア:

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