2159560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4177

約数の個数: 32

約数和(自身を含む): 5234040

約数和(自身を除く): 3074480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4153, 8306, 16612, 20765, 33224, 41530, 53989, 83060, 107978, 166120, 215956, 269945, 431912, 539890, 1079780, 2159560]

約数ペア:

[(1, 2159560), (2, 1079780), (4, 539890), (5, 431912), (8, 269945), (10, 215956), (13, 166120), (20, 107978), (26, 83060), (40, 53989), (52, 41530), (65, 33224), (104, 20765), (130, 16612), (260, 8306), (520, 4153)]