39999560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52631}}^1$

素因数の和:52661

約数の個数: 32

約数和(自身を含む): 94737600

約数和(自身を除く): 54738040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 52631, 105262, 210524, 263155, 421048, 526310, 999989, 1052620, 1999978, 2105240, 3999956, 4999945, 7999912, 9999890, 19999780, 39999560]

約数ペア:

[(1, 39999560), (2, 19999780), (4, 9999890), (5, 7999912), (8, 4999945), (10, 3999956), (19, 2105240), (20, 1999978), (38, 1052620), (40, 999989), (76, 526310), (95, 421048), (152, 263155), (190, 210524), (380, 105262), (760, 52631)]